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  • 246751.
    Ågren, Karin
    Uppsala University, Disciplinary Domain of Humanities and Social Sciences, Faculty of Social Sciences, Department of Economic History.
    Stad till salu: Marknadsföringen av Stockholm sedan 19452011In: Aktörer och marknader i omvandling: Studier i företagandets historia tillägnade Kersti Ullenhag / [ed] Lars Fälting, Mats Larsson, Tom Petersson, Karin Ågren, Uppsala: Uppsala universitets förlag , 2011, p. 83-93Chapter in book (Other academic)
  • 246752.
    Ågren, Karin
    et al.
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Swedish Institute of Space Physics, Uppsala Division.
    Andrews, D. J.
    Buchert, Stephan
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Swedish Institute of Space Physics, Uppsala Division.
    Coates, A. J.
    Cowley, S. W. H.
    Dougherty, M. K.
    Edberg, Niklas
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Swedish Institute of Space Physics, Uppsala Division.
    Garnier, P.
    Lewis, G. R.
    Modolo, R.
    Opgenoorth, Hermann
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Swedish Institute of Space Physics, Uppsala Division.
    Provan, G.
    Rosenqvist, L.
    Talboys, D. L.
    Wahlund, Jan-Erik
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Swedish Institute of Space Physics, Uppsala Division.
    Wellbrock, A.
    Detection of currents and associated electric fields in Titan's ionosphere from Cassini data2011In: Journal of Geophysical Research, ISSN 0148-0227, E-ISSN 2156-2202, Vol. 116, no 4, p. A04313-Article in journal (Refereed)
    Abstract [en]

    We present observations from three Cassini flybys of Titan using data from the radio and plasma wave science, magnetometer and plasma spectrometer instruments. We combine magnetic field and cold plasma measurements with calculated conductivities and conclude that there are currents of the order of 10 to 100 nA m (2) flowing in the ionosphere of Titan. The currents below the exobase (similar to 1400 km) are principally field parallel and Hall in nature, while the Pedersen current is negligible in comparison. Associated with the currents are perpendicular electric fields ranging from 0.5 to 3 mu V m (1).

  • 246753.
    Ågren, Karin
    et al.
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Swedish Institute of Space Physics, Uppsala Division.
    Andrews, D.J.
    Buchert, Stephan C.
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Swedish Institute of Space Physics, Uppsala Division.
    Coates, A.J.
    Cowley, S.W.
    Dougherty, M.K.
    Edberg, Niklas J.T.
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Swedish Institute of Space Physics, Uppsala Division.
    Garnier, P.
    Lewis, G.R.
    Modolo, R.
    Opgenoorth, Hermann
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Swedish Institute of Space Physics, Uppsala Division.
    Provan, G.
    Rosenqvist, L.
    Talboys, D.L.
    Wahlund, Jan-Erik
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Swedish Institute of Space Physics, Uppsala Division.
    Wellbrock, A.
    Detection of currents and associated electric fields in Titan's ionosphere from Cassini data2011In: Journal of Geophysical Research, ISSN 0148-0227, E-ISSN 2156-2202, Vol. 116, p. A04313-Article in journal (Refereed)
  • 246754.
    Ågren, Karin
    et al.
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Swedish Institute of Space Physics, Uppsala Division.
    Edberg, Niklas
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Swedish Institute of Space Physics, Uppsala Division.
    Wahlund, Jan-Erik
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Swedish Institute of Space Physics, Uppsala Division.
    Detection of negative ions in the deep ionosphere of Titan during the Cassini T70 flyby2012In: Geophysical Research Letters, ISSN 0094-8276, E-ISSN 1944-8007, Vol. 39, p. L10201-Article in journal (Refereed)
    Abstract [en]

    We present radio and plasma wave science (RPWS) Langmuir probe (LP) observations that give evidence for a population of heavy, negative ions at altitudes below 900 km in Titan's ionosphere during the Cassini T70 flyby. The negative ion density in this region is comparable to, or higher than, the electron density of 760 cm(-3). Both positive and negative ions are moving with a velocity of at least a few hundred m s(-1) relative to Titan. We show two limiting cases where we have analysed RPWS/LP ion measurements. The data can be interpreted as either that a population of negative ions with density comparable to the electron density is present, moving at a very high (>2 km s(-1)) velocity, or that the ion population is moving at a few hundred m s(-1), but with a density an order of magnitude larger than the electron density in the same region.

  • 246755.
    Ågren, Karin
    et al.
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Swedish Institute of Space Physics, Uppsala Division. Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy.
    Wahlund, Jan-Erik
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Swedish Institute of Space Physics, Uppsala Division.
    Garnier, Philippe
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Swedish Institute of Space Physics, Uppsala Division.
    Modolo, R.
    Cui, J.
    Galand, M.
    Mueller-Wodarg, I.
    On the ionospheric structure of Titan2009In: Planetary and Space Science, ISSN 0032-0633, E-ISSN 1873-5088, Vol. 57, no 14-15, p. 1821-1827Article in journal (Refereed)
    Abstract [en]

    In this study we present data from 17 Titan flybys showing that solar photons are the main ionisation source of Titan's dayside atmosphere. This is the first comprehensive study of Solar Zenith Angle (SZA) dependence of the electron number density and electron temperature at the ionospheric peak. The results show on average four times more plasma on the dayside compared to the nightside, with typical dayside electron densities of around 2500-3500 cm(-3) and corresponding nightside densities of around 400-1000 cm(-3). We identify a broad transition region between SZA 50 degrees and 100 degrees, where the ionosphere of Titan changes from being entirely sunlit to being in the shadow of the moon. For SZA <50 degrees the ionisation peak altitude increases with increasing SZA, whereas the transition region and the nightside show more scattered ionospheric peak altitudes. Typical electron temperatures at the ionospheric peak are 0.03-0.06 eV (approximate to 350-700 K) for both dayside and nightside. (C) 2009 Elsevier Ltd. All rights reserved.

  • 246756.
    Ågren, Karin
    et al.
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Swedish Institute of Space Physics, Uppsala Division.
    Wahlund, Jan-Erik
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Swedish Institute of Space Physics, Uppsala Division.
    Modolo, Ronan
    Uppsala University, Disciplinary Domain of Science and Technology, Physics, Swedish Institute of Space Physics, Uppsala Division.
    Dougherty, M. K.
    Department of Physics, Imperial College London.
    On magnetospheric electron impact ionisation and dynamics in Titan's ram-side and polar ionosphere - a Cassini case study2007In: Annales Geophysicae, ISSN 0992-7689, E-ISSN 1432-0576, Vol. 25, no 11, p. 2359-2369Article in journal (Refereed)
    Abstract [en]

    We present data from the sixth Cassini flyby of Titan (T5), showing that the magnetosphere of Saturn strongly interacts with the moon's ionosphere and exo-ionosphere. A simple electron ionisation model provides a reasonable agreement with the altitude structure of the ionosphere. Furthermore, we suggest that the dense and cold exo-ionosphere (from the exobase at 1430 km and outward to several Titan radii from the surface) can be explained by magnetospheric forcing and other transport processes whereas exospheric ionisation by impacting low energy electrons seems to play a minor role.

  • 246757.
    Ågren, Kurt
    Uppsala University, Disciplinary Domain of Humanities and Social Sciences, Faculty of Arts.
    Adelns bönder och kronans: skatter och besvär i Uppland 1650-16801964Doctoral thesis, monograph (Other academic)
  • 246758.
    Ågren, Kurt
    Uppsala University, Disciplinary Domain of Humanities and Social Sciences, Faculty of Arts.
    Aristocrats, farmers, proletarians: essays in Swedish demographic history1973Collection (editor) (Other academic)
  • 246759.
    Ågren, L
    et al.
    Uppsala University, Teknisk-naturvetenskapliga vetenskapsområdet, Faculty of Science and Technology, Biology, Department of Evolutionary Biology.
    Hallberg, E
    Flagellar sensilla of bumble bee males (Hymenoptera, Apidae, Bombus)1996In: APIDOLOGIE, ISSN 0044-8435, Vol. 27, no 6, p. 433-444Article in journal (Refereed)
    Abstract [en]

    The flagellar sensillar distribution in males of 12 species of bumble bees, including five species with large-eyed males, did not show any conspicuous species-specific or behavior-related pattern. The sensillar types were morphologically similar to those

  • 246760.
    Ågren, Lennart
    Uppsala University, Disciplinary Domain of Science and Technology.
    A morphological approach to the chemical communication system in Hymenoptera, Aculeata1979Doctoral thesis, comprehensive summary (Other academic)
  • 246761.
    Ågren, Lennart
    et al.
    Uppsala University, Teknisk-naturvetenskapliga vetenskapsområdet, Faculty of Science and Technology, Biology, Department of Evolutionary Biology.
    Hallberg, Eric
    Flagellar sensilla of bumble bee males (Hymenoptera, Apidae, Bombus).1996In: Apidologie, Vol. 27, p. 433-444Article in journal (Refereed)
  • 246762.
    Ågren, Magnus
    Uppsala University, Disciplinary Domain of Science and Technology, Mathematics and Computer Science, Department of Information Technology, Division of Computing Science. Uppsala University, Disciplinary Domain of Science and Technology, Mathematics and Computer Science, Department of Information Technology, Computing Science.
    High-level modelling and local search2005Licentiate thesis, comprehensive summary (Other academic)
    Abstract [en]

    Combinatorial optimisation problems are ubiquitous in our society and appear in such varied guises as DNA sequencing, scheduling, configuration, airline-crew and nurse rostering, combinatorial auctions, vehicle routing, and financial portfolio design. Their efficient solution is crucial to many people and has been the target for much research during the last decades. One successful area of research for solving such problems is constraint programming. Yet, current-generation constraint programming languages are considered by many, especially in industry, to be too low-level, difficult, and large. In this thesis, we argue that solver-independent, high-level relational constraint modelling leads to a simpler and smaller language, to more concise, intuitive, and analysable models, as well as to more efficient and effective model formulation, maintenance, reformulation, and verification. All this can be achieved without sacrificing the possibility of efficient solving, so that even time-pressed modellers can be well assisted. Towards this, we propose the ESRA relational constraint modelling language, showcase its elegance on some real-life problems, and outline a compilation philosophy for such languages.

    In order to compile high-level languages such as ESRA to current generation constraint programming languages, it is essential that as much support as possible is available in these languages. This is already the case in the constructive search area of constraint programming where, e.g., different kinds of domain variables, such as integer variables and set variables, and expressive global constraints are readily available. However, in the local search area of constraint programming, this is not yet the case and, until now, set variables were for example not available. This thesis introduces set variables and set constraints in the local search area of constraint programming and, by doing this, considerably improves the possibilities for using local search. This is true both for modelling and solving problems using constraint-based local search, as well as for using it as a possible target for the compilation of ESRA models. Indeed, many combinatorial optimisation problems have natural models based on set variables and set constraints, three of which are successfully solved in this thesis.

    When a new set constraint is introduced in local search, much effort must be spent on the design and implementation of an appropriate incremental penalty function for the constraint. This thesis introduces a scheme that, from a high-level description of a set constraint in existential second-order logic with counting, automatically synthesises an incremental penalty function for that constraint. The performance of this scheme is demonstrated by solving real-life instances of a financial portfolio design problem that seem unsolvable in reasonable time by constructive search.

  • 246763.
    Ågren, Magnus
    Uppsala University, Disciplinary Domain of Science and Technology, Mathematics and Computer Science, Department of Information Technology, Division of Computing Science. Uppsala University, Disciplinary Domain of Science and Technology, Mathematics and Computer Science, Department of Information Technology, Computing Science.
    Set Constraints for Local Search2007Doctoral thesis, monograph (Other academic)
    Abstract [en]

    Combinatorial problems are ubiquitous in our society and solving such problems efficiently is often crucial. One technique for solving combinatorial problems is constraint-based local search. Its compositional nature together with its efficiency on large problem instances have made this technique particularly attractive. In this thesis we contribute to simplifying the solving of combinatorial problems using constraint-based local search.

    To provide higher-level modelling options, we introduce set variables and set constraints in local search by extending relevant local search concepts. We also propose a general scheme to follow in order to define what we call natural and balanced constraint measures, and accordingly define such measures for over a dozen set constraints. However, defining such measures for a new constraint is time-consuming and error-prone. To relieve the user from this, we provide generic measures for any set constraint modelled in monadic existential second-order logic. We also theoretically relate these measures to our proposed general scheme, and discuss implementation issues such as incremental algorithms and their worst-case complexities.

    To enable higher-level search algorithms, we introduce constraint-directed neighbourhoods in local search by proposing new constraint primitives for representing such neighbourhoods. Based on a constraint, possibly modelled in monadic existential second-order logic, these primitives return neighbourhoods with moves that are known in advance to achieve a decrease (or preservation, or increase) of the constraint measures, without the need to iterate over any other moves.

    We also present a framework for constraint-based local search where one can model and solve combinatorial problems with set variables and set constraints, use any set constraint modelled in monadic existential second-order logic, as well as use constraint-directed neighbourhoods. Experimental results on three real-life problems show the usefulness in practice of our theoretical results: our running times are comparable to the current state-of-the-art approaches to solving the considered problems.

  • 246764.
    Ågren, Magnus
    Uppsala University, Teknisk-naturvetenskapliga vetenskapsområdet, Mathematics and Computer Science, Department of Information Technology. Faculty of Science and Technology, Biology, Department of Ecology and Evolution, Computing Science. Datalogi.
    Set Variables and Local Search2004Report (Other scientific)
    Abstract [en]

    Many combinatorial (optimisation) problems have natural models based on, or including, set variables and set constraints. This modelling device has been around for quite some time in the constraint programming area, and proved its usefulness in many applications. This paper introduces set variables and set constraints also in the local search area. It presents a way of representing set variables in the local search context, where we deal with concepts like transition functions, neighbourhoods, and penalty costs. Furthermore, some common set constraints and their penalty costs are defined. These constraints are later used to model three problems and some initial experimental results are reported.

  • 246765.
    Ågren, Magnus
    Uppsala University, Teknisk-naturvetenskapliga vetenskapsområdet, Mathematics and Computer Science, Department of Information Technology. Faculty of Science and Technology, Biology, Department of Ecology and Evolution, Computing Science. Datalogi.
    Set variables and local search (Abstract)2004In: 10th International Conference on Principles and Practice of Constraint Programming: CP 2004, 2004, p. 788-Conference paper (Refereed)
  • 246766.
    Ågren, Magnus
    et al.
    Uppsala University, Disciplinary Domain of Science and Technology, Mathematics and Computer Science, Department of Information Technology, Computing Science.
    Flener, Pierre
    Uppsala University, Disciplinary Domain of Science and Technology, Mathematics and Computer Science, Department of Information Technology, Computing Science.
    Pearson, Justin
    Uppsala University, Disciplinary Domain of Science and Technology, Mathematics and Computer Science, Department of Information Technology, Computer Systems.
    Generic incremental algorithms for local search2007In: Constraints, ISSN 1383-7133, E-ISSN 1572-9354, Vol. 12, no 3, p. 293-324Article in journal (Refereed)
  • 246767.
    Ågren, Magnus
    et al.
    Uppsala University, Teknisk-naturvetenskapliga vetenskapsområdet, Mathematics and Computer Science, Department of Information Technology. Faculty of Science and Technology, Biology, Department of Ecology and Evolution, Computing Science. Uppsala University, Teknisk-naturvetenskapliga vetenskapsområdet, Mathematics and Computer Science, Department of Information Technology, Computer Systems. Datalogi.
    Flener, Pierre
    Uppsala University, Teknisk-naturvetenskapliga vetenskapsområdet, Mathematics and Computer Science, Department of Information Technology. Faculty of Science and Technology, Biology, Department of Ecology and Evolution, Computing Science. Uppsala University, Teknisk-naturvetenskapliga vetenskapsområdet, Mathematics and Computer Science, Department of Information Technology, Computer Systems. Datalogi.
    Pearson, Justin
    Uppsala University, Teknisk-naturvetenskapliga vetenskapsområdet, Mathematics and Computer Science, Department of Information Technology. Faculty of Science and Technology, Biology, Department of Ecology and Evolution, Computing Science. Uppsala University, Teknisk-naturvetenskapliga vetenskapsområdet, Mathematics and Computer Science, Department of Information Technology, Computer Systems. Datorteknik.
    Incremental algorithms for local search from existential second-order logic2005In: Proceedings of Principles and Practice of Constraint Programming - CP 2005, 2005, p. 47-61Conference paper (Refereed)
    Abstract [en]

    Local search is a powerful and well-established method for solving hard combinatorial problems. Yet, until recently, it has provided very little user support, leading to time-consuming and error-prone implementation tasks. We introduce a scheme that, from a high-level description of a constraint in existential second-order logic with counting, automatically synthesises incremental penalty calculation algorithms. The performance of the scheme is demonstrated by solving real-life instances of a financial portfolio design problem that seem unsolvable in reasonable time by complete search.

  • 246768.
    Ågren, Magnus
    et al.
    Uppsala University, Teknisk-naturvetenskapliga vetenskapsområdet, Mathematics and Computer Science, Department of Information Technology. Faculty of Science and Technology, Biology, Department of Ecology and Evolution, Computing Science. Uppsala University, Teknisk-naturvetenskapliga vetenskapsområdet, Mathematics and Computer Science, Department of Information Technology, Computer Systems. Datalogi.
    Flener, Pierre
    Uppsala University, Teknisk-naturvetenskapliga vetenskapsområdet, Mathematics and Computer Science, Department of Information Technology. Faculty of Science and Technology, Biology, Department of Ecology and Evolution, Computing Science. Uppsala University, Teknisk-naturvetenskapliga vetenskapsområdet, Mathematics and Computer Science, Department of Information Technology, Computer Systems. Datalogi.
    Pearson, Justin
    Uppsala University, Teknisk-naturvetenskapliga vetenskapsområdet, Mathematics and Computer Science, Department of Information Technology. Faculty of Science and Technology, Biology, Department of Ecology and Evolution, Computing Science. Uppsala University, Teknisk-naturvetenskapliga vetenskapsområdet, Mathematics and Computer Science, Department of Information Technology, Computer Systems. Datorteknik.
    Inferring variable conflicts for local search2006In: Principles and Practice of Constraint Programming - CP 2006: 12th International Conference, CP 2006, Nantes, France, September 25-29, 2006. Proceedings, 2006Conference paper (Refereed)
    Abstract [en]

    For efficiency reasons, neighbourhoods in local search are often shrunk by only considering moves modifying variables that actually contribute to the overall penalty. These are known as conflicting variables. We propose a new definition for measuring the conflict of a variable in a model and apply it to the set variables of models expressed in existential second-order logic extended with counting (ESOL+). Such a variable conflict can be automatically and incrementally evaluated. Furthermore, this measure is lower-bounded by an intuitive conflict measure, and upper-bounded by the penalty of the model. We also demonstrate the usefulness of the approach by replacing a built-in global constraint by an ESOL+ version thereof, while still obtaining competitive results.

  • 246769.
    Ågren, Magnus
    et al.
    Uppsala University, Teknisk-naturvetenskapliga vetenskapsområdet, Mathematics and Computer Science, Department of Information Technology. Faculty of Science and Technology, Biology, Department of Ecology and Evolution, Computing Science. Uppsala University, Teknisk-naturvetenskapliga vetenskapsområdet, Mathematics and Computer Science, Department of Information Technology, Computer Systems. CSD.
    Flener, Pierre
    Uppsala University, Teknisk-naturvetenskapliga vetenskapsområdet, Mathematics and Computer Science, Department of Information Technology. Faculty of Science and Technology, Biology, Department of Ecology and Evolution, Computing Science. Uppsala University, Teknisk-naturvetenskapliga vetenskapsområdet, Mathematics and Computer Science, Department of Information Technology, Computer Systems. CSD.
    Pearson, Justin
    Uppsala University, Teknisk-naturvetenskapliga vetenskapsområdet, Mathematics and Computer Science, Department of Information Technology. Faculty of Science and Technology, Biology, Department of Ecology and Evolution, Computing Science. Uppsala University, Teknisk-naturvetenskapliga vetenskapsområdet, Mathematics and Computer Science, Department of Information Technology, Computer Systems. DoCS.
    On Constraint-Oriented Neighbours for Local Search2007Report (Other scientific)
  • 246770.
    Ågren, Magnus
    et al.
    Uppsala University, Teknisk-naturvetenskapliga vetenskapsområdet, Mathematics and Computer Science, Department of Information Technology. Faculty of Science and Technology, Biology, Department of Ecology and Evolution, Computing Science. Uppsala University, Teknisk-naturvetenskapliga vetenskapsområdet, Mathematics and Computer Science, Department of Information Technology, Computer Systems. CSD.
    Flener, Pierre
    Uppsala University, Teknisk-naturvetenskapliga vetenskapsområdet, Mathematics and Computer Science, Department of Information Technology. Faculty of Science and Technology, Biology, Department of Ecology and Evolution, Computing Science. Uppsala University, Teknisk-naturvetenskapliga vetenskapsområdet, Mathematics and Computer Science, Department of Information Technology, Computer Systems. CSD.
    Pearson, Justin
    Uppsala University, Teknisk-naturvetenskapliga vetenskapsområdet, Mathematics and Computer Science, Department of Information Technology. Faculty of Science and Technology, Biology, Department of Ecology and Evolution, Computing Science. Uppsala University, Teknisk-naturvetenskapliga vetenskapsområdet, Mathematics and Computer Science, Department of Information Technology, Computer Systems. DoCS.
    Revisiting constraint-directed search2007In: Proceedings of LSCS'07, the 4th International Workshop on Local Search Techniques in Constraint Satisfaction, 2007Conference paper (Refereed)
  • 246771. Ågren, Magnus
    et al.
    Flener, Pierre
    Uppsala University, Disciplinary Domain of Science and Technology, Mathematics and Computer Science, Department of Information Technology, Computing Science.
    Pearson, Justin
    Uppsala University, Disciplinary Domain of Science and Technology, Mathematics and Computer Science, Department of Information Technology, Computer Systems.
    Revisiting constraint-directed search2009In: Information and Computation, ISSN 0890-5401, E-ISSN 1090-2651, Vol. 207, no 3, p. 438-457Article in journal (Refereed)
  • 246772.
    Ågren, Magnus
    et al.
    Uppsala University, Teknisk-naturvetenskapliga vetenskapsområdet, Mathematics and Computer Science, Department of Information Technology. Faculty of Science and Technology, Biology, Department of Ecology and Evolution, Computing Science. Uppsala University, Teknisk-naturvetenskapliga vetenskapsområdet, Mathematics and Computer Science, Department of Information Technology, Computer Systems. Datalogi.
    Flener, Pierre
    Uppsala University, Teknisk-naturvetenskapliga vetenskapsområdet, Mathematics and Computer Science, Department of Information Technology. Faculty of Science and Technology, Biology, Department of Ecology and Evolution, Computing Science. Uppsala University, Teknisk-naturvetenskapliga vetenskapsområdet, Mathematics and Computer Science, Department of Information Technology, Computer Systems. Datalogi.
    Pearson, Justin
    Uppsala University, Teknisk-naturvetenskapliga vetenskapsområdet, Mathematics and Computer Science, Department of Information Technology. Faculty of Science and Technology, Biology, Department of Ecology and Evolution, Computing Science. Uppsala University, Teknisk-naturvetenskapliga vetenskapsområdet, Mathematics and Computer Science, Department of Information Technology, Computer Systems. Datorteknik.
    Set variables and local search2005In: Integration of AI and OR Techniques in Constraint Programming for Combinatorial Optimization Problems: Second International Conference, CPAIOR 2005, Proceedings, 2005, p. 19-33Conference paper (Refereed)
  • 246773.
    Ågren, Maria
    Uppsala University, Disciplinary Domain of Humanities and Social Sciences, Faculty of Arts, Department of History.
    A domestic secret: Marriage, religion and legal change in late seventeenth-century Sweden2007In: Past & Present, ISSN 0031-2746, E-ISSN 1477-464X, no 194, p. 75-106Article in journal (Refereed)
  • 246774.
    Ågren, Maria
    Uppsala University, Humanistisk-samhällsvetenskapliga vetenskapsområdet, Faculty of Arts, Department of History.
    A family secret.: Marriage, property and legal change in late seventeenth century Sweden2004Conference paper (Other (popular scientific, debate etc.))
  • 246775.
    Ågren, Maria
    Uppsala University, Humanistisk-samhällsvetenskapliga vetenskapsområdet, Faculty of Arts, Department of History.
    A partnership between unequals. The changing meaning of marriage in eighteenth century Sweden2003In: Eheschliessungen im Europa des 18. Und 19. Jahrhunderts. Muster und Strategien, i serien Veröffentlichungen des Max-Planck-Instituts für GeschichteArticle in journal (Other scientific)
  • 246776.
    Ågren, Maria
    Uppsala University, Disciplinary Domain of Humanities and Social Sciences, Faculty of Arts, Department of History.
    Another process of state formation: Swedish customs officials, their work and households2014In: Cultural and social history, ISSN 1478-0038, E-ISSN 1478-0046, Vol. 11, no 1, p. 31-49Article in journal (Refereed)
    Abstract [en]

    This article discusses why legitimacy remained a problem for the eighteenth-century Swedish state administration. Using the case of customs officials in the town of Orebro, the article shows that complaints from citizens about the behaviour of these men were rife. While not impartial, such complaints nevertheless highlight the problematic situation of lower state employees: they often lacked local networks and were poorly educated and badly paid. They were also subject to unrealistic expectations to carry out tasks in many places at the same time. This made it necessary for them to harness the human resources of the entire household. The author argues that while it is true that, in the long run, bureaucratization entailed a specialization and masculinization of state administration, in the shorter term the role of women, and particularly wives, probably increased.

  • 246777.
    Ågren, Maria
    Uppsala University, Humanistisk-samhällsvetenskapliga vetenskapsområdet, Faculty of Arts, Department of History.
    Arbete och genus i ett större sammanhang: Argument för fortsatt forskning2007In: Historia: Vänbok till Christer Winberg 5 juni 2007, Göteborg: Historiska institutionen, Göteborgs universitet , 2007, p. 301-310Chapter in book (Other academic)
  • 246778.
    Ågren, Maria
    Uppsala University, Disciplinary Domain of Humanities and Social Sciences.
    "Arguments for and against the increasing use of English in the Humanities, from the point of view of a Swedish historian"2009Conference paper (Other academic)
  • 246779.
    Ågren, Maria
    Uppsala University, Humanistisk-samhällsvetenskapliga vetenskapsområdet, Faculty of Arts, Department of History.
    Asserting one's rights. Swedish property law in between community law and state law2001In: Law and History Review, Vol. 19#2, p. 40 p.-Article in journal (Refereed)
  • 246780.
    Ågren, Maria
    Uppsala University, Disciplinary Domain of Humanities and Social Sciences, Faculty of Arts, Department of History.
    Att ha brukat sedan forna tider: argument för rätt till egendom i 1600-talets Sverige1995In: Äganderätten i lantbrukets historia / [ed] Mats Widgren, Nordiska museet: Stockholm , 1995, p. 21 p.-Chapter in book (Other academic)
  • 246781.
    Ågren, Maria
    Uppsala University, Disciplinary Domain of Humanities and Social Sciences, Faculty of Arts, Department of History.
    Att hävda sin rätt: synen på jordägandet i 1600-talets Sverige, speglad i institutet urminnes hävd1997Book (Refereed)
  • 246782.
    Ågren, Maria
    Uppsala University, Humanistisk-samhällsvetenskapliga vetenskapsområdet, Faculty of Arts, Department of History.
    Att lösa ekonomiska tvister -- domstolarnas främsta sysselsättning på 1700-talet?1988In: Historisk Tidskrift, no 4Article in journal (Refereed)
  • 246783.
    Ågren, Maria
    Uppsala University, Humanistisk-samhällsvetenskapliga vetenskapsområdet, Faculty of Arts, Department of History.
    Caring for the widowed spouse: the use of wills in northern Sweden during the eighteenth and nineteenth centuries2004In: Continuity and Change, Vol. 19, no 1, p. 45-71Article in journal (Refereed)
  • 246784.
    Ågren, Maria
    Uppsala University, Humanistisk-samhällsvetenskapliga vetenskapsområdet, Faculty of Arts, Department of History.
    Community and property1998Chapter in book (Other scientific)
  • 246785.
    Ågren, Maria
    Uppsala University, Disciplinary Domain of Humanities and Social Sciences, Faculty of Arts, Department of History.
    "Comparing Legal Cultures with a Problem-Oriented Approach"2012In: Gender Difference in European Legal Cultures. Historical Perspectives / [ed] Karin Gottschalk, Stuttgart: Franz Steiner Verlag, 2012Chapter in book (Other academic)
  • 246786.
    Ågren, Maria
    Uppsala University, Disciplinary Domain of Humanities and Social Sciences, Faculty of Arts, Department of History.
    Conclusion2016In: Making a Living, Making a Difference: Gender and work in early modern European society / [ed] Maria Ågren, New York: Oxford University Press, 2016Chapter in book (Refereed)
  • 246787.
    Ågren, Maria
    Uppsala University, Humanistisk-samhällsvetenskapliga vetenskapsområdet, Faculty of Arts, Department of History.
    Contracts for the Old or Gifts for the Young? On the Use of Wills in Early Modern Sweden2000In: Scandinavian Journal of History, Vol. 25, no 3Article in journal (Refereed)
  • 246788.
    Ågren, Maria
    Uppsala University, Disciplinary Domain of Humanities and Social Sciences, Faculty of Arts, Department of History.
    David R. Green & Alastair Owens, Family Welfare. Gender, Property, and Inheritance since the seventeenth century2005In: Economic History ReviewArticle, book review (Other (popular science, discussion, etc.))
  • 246789.
    Ågren, Maria
    Uppsala University, Disciplinary Domain of Humanities and Social Sciences, Faculty of Arts, Department of History.
    Den tidigmoderna staten och könsarbetsdelningen: Exemplet tjänstemän2011In: Levebröd: Vad vet vi om tidigmodern könsarbetsdelning? / [ed] Benny Jacobsson & Maria Ågren, Uppsala: Uppsala universitet, 2011, p. 211-234Chapter in book (Other academic)
  • 246790.
    Ågren, Maria
    Uppsala University, Humanistisk-samhällsvetenskapliga vetenskapsområdet, Faculty of Arts, Department of History.
    Det norske skyldeie -- ett fruktbart begrepp2002In: Historisk Tidsskrift (Dansk), Vol. 102, no 2Article in journal (Other scientific)
  • 246791.
    Ågren, Maria
    Uppsala University, Disciplinary Domain of Humanities and Social Sciences, Faculty of Arts, Department of History.
    Domestic Secrets: Women and Property in Sweden 1600 to 18572009Book (Refereed)
  • 246792.
    Ågren, Maria
    Uppsala University, Disciplinary Domain of Humanities and Social Sciences, Faculty of Arts, Department of History.
    Därför är jag historiker2013In: Scandia, ISSN 0036-5483, Vol. 79, no 2, p. 68-75Article in journal (Other academic)
  • 246793.
    Ågren, Maria
    Uppsala University, Disciplinary Domain of Humanities and Social Sciences, Faculty of Arts, Department of History.
    Early modern misunderstandings?: conflicting standards of behavior in 17th-century Sweden2012In: / [ed] Thomas A. Green, 2012Conference paper (Other academic)
  • 246794.
    Ågren, Maria
    Uppsala University, Disciplinary Domain of Humanities and Social Sciences, Faculty of Arts, Department of History.
    Efterord2018In: Kvinnors flit och slit: Kvinnors arbete under tidig svensk industrialisering / [ed] Fredrik Sandgren, Uppsala: Historiska institutionen , 2018, p. 149-159Chapter in book (Other academic)
  • 246795.
    Ågren, Maria
    Uppsala University, Disciplinary Domain of Humanities and Social Sciences, Faculty of Arts, Department of History.
    Embodying the state in a local context: customs officers, their work and households2012Conference paper (Other academic)
  • 246796.
    Ågren, Maria
    Uppsala University, Disciplinary Domain of Humanities and Social Sciences, Faculty of Arts, Department of History.
    Emissaries, allies, accomplices and enemies: Married women's work in eighteenth-century urban Sweden2014In: Urban History, ISSN 0963-9268, E-ISSN 1469-8706, Vol. 41, no 3, p. 394-414Article in journal (Refereed)
  • 246797.
    Ågren, Maria
    Uppsala University, Disciplinary Domain of Humanities and Social Sciences, Faculty of Arts, Department of History.
    En tullares liv: sociala praktiker i den tidigmoderna statens utkanter2012In: Människans kunskap och kunskapen om människan: en gränslös historia / [ed] Maria Wallenberg Bondesson, Orsi Husz, Janken Myrdal & Mattias Tydén, Lund: Sekel Bokförlag, 2012Chapter in book (Other academic)
  • 246798.
    Ågren, Maria
    Uppsala University, Disciplinary Domain of Humanities and Social Sciences, Faculty of Arts, Department of History.
    Ett kött: äktenskap, lag och bibeltolkning i det sena 1600-talets Sverige2007In: Kungl. Vitterhets historie och antikvitetsakademiens årsbok, ISSN 0083-6796, p. 53-67Article in journal (Other academic)
  • 246799.
    Ågren, Maria
    Uppsala University, Disciplinary Domain of Humanities and Social Sciences, Faculty of Arts, Department of History.
    Eviga problem: om makars äganderätt i ett långtidsperspektiv2009In: Äganderätten: dess omfattning och begränsningar / [ed] Karin Åhman, Uppsala: Iustus Förlag , 2009Chapter in book (Other academic)
  • 246800.
    Ågren, Maria
    Uppsala University, Humanistisk-samhällsvetenskapliga vetenskapsområdet, Faculty of Arts, Department of History.
    'Excellens' -- ett hinder för kvinnliga ledande forskare?2006In: Tvärsnitt, no 2Article in journal (Other (popular scientific, debate etc.))
4933493449354936493749384939 246751 - 246800 of 250281
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