Results 141 to 150 of about 2,805,734 (255)

TORIC VARIETIES AND COBORDISM

open access: yes, 2013
A long-standing problem in cobordism theory has been to find convenient manifolds to represent cobordism classes. For example, in the late 1950\u27s, Hirzebruch asked which complex cobordism classes can be represented by smooth connected algebraic ...
Wilfong, Andrew
core  

ENDOMOTIVES OF TORIC VARIETIES [PDF]

open access: yes, 2013
We construct endomotives associated to toric varieties, in terms of the decomposition of a toric variety into torus orbits and the action of a semigroup of toric morphisms.
Zhaorong Jin   +3 more
core  

Two dimensional local Z2-systems and non-orientable closed surfaces

open access: yes四川大学学报. 自然科学版, 2016
It is a canonical technique to construct manifolds(algebraic varieties)with polytopes in the theory of toric variety. In this paper, firstly, we introduce the concept of local Z2-systems on simplicial polytopes and then we discuss some properties of it ...
ZHANG Shu-Ying, ZHAO Suo
doaj  

Self-dual toric varieties

open access: yes, 2023
We describe explicitly all multisets of weights whose defining projective toric varieties are self-dual. In addition, we describe a remarkable and unexpected combinatorial behaviour of the defining ideals of these varieties.
Vladoiu, Marius, Thoma, Apostolos
core  

Minimal log discrepancies of hypersurface mirrors

open access: yesForum of Mathematics, Sigma
For certain quasismooth Calabi–Yau hypersurfaces in weighted projective space, the Berglund-Hübsch-Krawitz (BHK) mirror symmetry construction gives a concrete description of the mirror.
Louis Esser
doaj   +1 more source

New Zealand volume. [PDF]

open access: yesEur J Math, 2022
Bogomolov F   +3 more
europepmc   +1 more source

Arithmetic Toric Varieties

open access: yes, 2014
We study toric varieties over a field k that split in a Galois extension K / k using Galois cohomology with coefficients in the toric automorphism group.
Zach Teitler   +8 more
core   +1 more source

Holomorphic extensions in toric varieties

open access: yes, 2009
The dissertation describes the Hartogs and the Hartogs-Bochner extension phenomena in smooth toric varieties and their connection with the first cohomology group with compact support and sheaf coefficients. The affirmative and negative results are proved
Marciniak, Malgorzata Aneta
core  

Seminormal toric varieties

open access: yes
17 pagesIn this paper, we provide a combinatorial description of seminormal toric varieties. The corresponding combinatorial object is a fan equipped with a collection of groups assigned to each cone.
Boivin, Antoine, Bernard, François
core  

Projections of cones and the arithmetical rank of toric varieties

open access: yes, 2005
Let IM and IN be defining ideals of toric varieties such that IM is a projection of IN, i.e. IN⊆IM. We give necessary and sufficient conditions for the equality IM=rad(IN+(f1,…,fs)), where f1,…,fs belong to IM.
Katsampekis, Anargyros   +2 more
core   +1 more source

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