Zobrazeno 1 - 10 of 34 pro vyhledávání: '"JÜRGEN HAUSEN"'
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Akademický článek
ON TORUS ACTIONS OF HIGHER COMPLEXITY
Autor: JÜRGEN HAUSEN, CHRISTOFF HISCHE, MILENA WROBEL
Publikováno v: Forum of Mathematics, Sigma, Vol 7 (2019)
We systematically produce algebraic varieties with torus action by constructing them as suitably embedded subvarieties of toric varieties. The resulting varieties admit an explicit treatment in terms of toric geometry and graded ring theory. Our appr
Externí odkaz: https://doaj.org/article/d4b7172407834f618240c77f27fa7a04
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3
The anticanonical complex for non-degenerate toric complete intersections
Autor: Jürgen Hausen, Christian Mauz, Milena Wrobel
The anticanonical complex generalizes the Fano polytope from toric geometry and has been used to study Fano varieties with torus action so far. We work out the case of complete intersections in toric varieties defined by non-degenerate systems of Lau
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3e9137e2133a3b6b9d201e82b2d11c22
http://arxiv.org/abs/2006.04723
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6
The Cox ring of the space of complete rank two collineations
Autor: Michael Liebendörfer, Jürgen Hausen
Publikováno v: Mathematische Nachrichten. 285:974-980
We consider the space of complete rank two collineations. Starting from its description as a limit of GIT-quotients of a Grassmanian G(2, n) by a certain {\textbackslash}documentclass\{article\}{\textbackslash}usepackage\{amssymb\}{\textbackslash}beg
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::92c9dbd5d43ac7af05de545f00074599
https://doi.org/10.1002/mana.201100043
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8
Gluing Affine Torus Actions Via Divisorial Fans
Autor: Jürgen Hausen, Hendrik Süss, Klaus Altmann
Publikováno v: Transformation Groups. 13:215-242
Generalizing the passage from a fan to a toric variety, we provide a combinatorial approach to construct arbitrary effective torus actions on normal, algebraic varieties. Based on the notion of a “proper polyhedral divisor” introduced in earlier
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::d6a78669ad0188ad7aa326f8d7c50290
https://doi.org/10.1007/s00031-008-9011-3
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9
On embeddings into toric prevarieties
Autor: Stefan Schröer, Jürgen Hausen
Publikováno v: Proceedings of the American Mathematical Society. 132:681-685
What kind of schemes are embeddable into good toric prevarieties? To shed some light on this question, we construct proper normal surfaces that are embeddable into neither simplicial toric prevarieties nor toric prevarieties of affine intersection.
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::21d9db87c649d46e190f3becf8365129
https://doi.org/10.1090/s0002-9939-03-07162-4
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