Martin Olsson – författare
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17 produkter
17 produkter
1 320 kr
Skickas inom 5-8 vardagar
A pioneering new nonlinear approach to a fundamental question in algebraic geometryOne of the crowning achievements of nineteenth-century mathematics was the proof that the geometry of lines in space uniquely determines the Cartesian coordinates, up to a linear ambiguity. What Determines an Algebraic Variety? develops a nonlinear version of this theory, offering the first nonlinear generalization of the seminal work of Veblen and Young in a century. While the book uses cutting-edge techniques, the statements of its theorems would have been understandable a century ago; despite this, the results are totally unexpected. Putting geometry first in algebraic geometry, the book provides a new perspective on a classical theorem of fundamental importance to a wide range of fields in mathematics.Starting with basic observations, the book shows how to read off various properties of a variety from its geometry. The results get stronger as the dimension increases. The main result then says that a normal projective variety of dimension at least 4 over a field of characteristic 0 is completely determined by its Zariski topological space. There are many open questions in dimensions 2 and 3, and in positive characteristic.
604 kr
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A pioneering new nonlinear approach to a fundamental question in algebraic geometryOne of the crowning achievements of nineteenth-century mathematics was the proof that the geometry of lines in space uniquely determines the Cartesian coordinates, up to a linear ambiguity. What Determines an Algebraic Variety? develops a nonlinear version of this theory, offering the first nonlinear generalization of the seminal work of Veblen and Young in a century. While the book uses cutting-edge techniques, the statements of its theorems would have been understandable a century ago; despite this, the results are totally unexpected. Putting geometry first in algebraic geometry, the book provides a new perspective on a classical theorem of fundamental importance to a wide range of fields in mathematics.Starting with basic observations, the book shows how to read off various properties of a variety from its geometry. The results get stronger as the dimension increases. The main result then says that a normal projective variety of dimension at least 4 over a field of characteristic 0 is completely determined by its Zariski topological space. There are many open questions in dimensions 2 and 3, and in positive characteristic.
1 735 kr
Skickas inom 11-20 vardagar
This is Part 1 of a two-volume set. Since Oscar Zariski organized a meeting in 1954, there has been a major algebraic geometry meeting every decade: Woods Hole (1964), Arcata (1974), Bowdoin (1985), Santa Cruz (1995), and Seattle (2005). The American Mathematical Society has supported these summer institutes for over 50 years. Their proceedings volumes have been extremely influential, summarizing the state of algebraic geometry at the time and pointing to future developments. The most recent Summer Institute in Algebraic Geometry was held July 2015 at the University of Utah in Salt Lake City, sponsored by the AMS with the collaboration of the Clay Mathematics Institute. This volume includes surveys growing out of plenary lectures and seminar talks during the meeting. Some present a broad overview of their topics, while others develop a distinctive perspective on an emerging topic. Topics span both complex algebraic geometry and arithmetic questions, specifically, analytic techniques, enumerative geometry, moduli theory, derived categories, birational geometry, tropical geometry, Diophantine questions, geometric representation theory, characteristic $p$ and $p$-adic tools, etc. The resulting articles will be important references in these areas for years to come.
1 735 kr
Skickas inom 11-20 vardagar
This is Part 2 of a two-volume set. Since Oscar Zariski organized a meeting in 1954, there has been a major algebraic geometry meeting every decade: Woods Hole (1964), Arcata (1974), Bowdoin (1985), Santa Cruz (1995), and Seattle (2005). The American Mathematical Society has supported these summer institutes for over 50 years. Their proceedings volumes have been extremely influential, summarizing the state of algebraic geometry at the time and pointing to future developments. The most recent Summer Institute in Algebraic Geometry was held July 2015 at the University of Utah in Salt Lake City, sponsored by the AMS with the collaboration of the Clay Mathematics Institute. This volume includes surveys growing out of plenary lectures and seminar talks during the meeting. Some present a broad overview of their topics, while others develop a distinctive perspective on an emerging topic. Topics span both complex algebraic geometry and arithmetic questions, specifically, analytic techniques, enumerative geometry, moduli theory, derived categories, birational geometry, tropical geometry, Diophantine questions, geometric representation theory, characteristic $p$ and $p$-adic tools, etc. The resulting articles will be important references in these areas for years to come.
1 137 kr
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This book is an introduction to the theory of algebraic spaces and stacks intended for graduate students and researchers familiar with algebraic geometry at the level of a first-year graduate course. The first several chapters are devoted to background material including chapters on Grothendieck topologies, descent, and fibered categories. Following this, the theory of algebraic spaces and stacks is developed. The last three chapters discuss more advanced topics including the Keel-Mori theorem on the existence of coarse moduli spaces, gerbes and Brauer groups, and various moduli stacks of curves. Numerous exercises are included in each chapter ranging from routine verifications to more difficult problems, and a glossary of necessary category theory is included as an appendix.
437 kr
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1 810 kr
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This proceedings volume contains articles related to the research presented at the 2017 Simons Symposium on p-adic Hodge theory. This symposium was focused on recent developments in p-adic Hodge theory, especially those concerning integral questions and their connections to notions in algebraic topology.
2 126 kr
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This proceedings volume contains articles related to the research presented at the 2019 Simons Symposium on p-adic Hodge theory.
634 kr
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2 128 kr
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This proceedings volume contains articles related to the research presented at the 2019 Simons Symposium on p-adic Hodge theory.
2 975 kr
Kommande
This proceedings volume contains articles related to the research presented at the 2022 Simons Symposium on p-adic Hodge theory. This symposium was focused on recent developments in p-adic Hodge theory and applications to related fields including number theory and algebraic geometry. This volume contains articles on some of these new developments in this rapidly evolving field and other research that arose from the symposium.
156 kr
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Småland III:3 : Gamla kyrkogården, Sankta Birgittas kyrka, Svartbrödraklostrets kyrka
Häftad, Svenska, 1975
156 kr
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113 kr
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115 kr
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157 kr
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• Inflation, ras på annonsmarknaden och ökade kostnader på alla områden har slagit hårt mot mediebranschen 2023. • Tappet på annonsmarknaden är det kraftigaste sedan finanskrisen 2009 och en central förklaring till den ekonomiska krisen. • Antalet lokalredaktioner är i princip oförändrat jämfört med förra året. Samtidigt skapar den pressade ekonomin oro inför 2024. • Krig, desinformation och propaganda ställer nya krav på mediernas källkritik och etiska kompass. • Årets snackis är artificiell intelligens – påverkar det journalistiken? Det är några av de tydligaste trenderna för den svenska journalistiken som tecknas i Mediestudiers årsbok 2023.
157 kr
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• Redaktionsdöden i landets kommuner har stannat av. Däremot fortsätter ägarkoncentrationen att öka. • Trots att reklamintäkterna till journalistik gjorde en historisk återhämtning efter pandemin, ser framtiden dyster ut. • Konsumenterna efterfrågar journalistik och är villiga att betala för den. Inte minst hos yngre finns det en betalningsvilja på nätet. • Förslaget till nytt mediestöd kan innebära en radikal förändring, där vinnarna troligen blir mindre lokala aktörer, både i form av etablerade, tryckta medier och nyare, enbart digitala sådana. Det är några av de tydligaste trenderna för den svenska journalistiken som tecknas i Mediestudiers årsbok 2022. Läget för den lokala journalistiken i varje kommun finns på: https://kommundatabas.mediestudier.se/