Algebraic Geometry

Authors and titles for math.AG in Sep 2023

[1]  arXiv:2309.00056 [pdf, ps, other]

Title: Enumerative invariants in self-dual categories. II. Homological invariants

Authors: Chenjing Bu

Comments: 122 pages

Subjects: Algebraic Geometry (math.AG)

[2]  arXiv:2309.00113 [pdf, ps, other]

Title: Geometric Endomorphisms of the Hesse moduli space of elliptic curves

Authors: Fabrizio Catanese (Bayreuth University and KIAS Seoul), Edoardo Sernesi (Universita' Roma 3)

Comments: 26 pages

Subjects: Algebraic Geometry (math.AG); Complex Variables (math.CV); Dynamical Systems (math.DS)

[3]  arXiv:2309.00315 [pdf, ps, other]

Title: Mumford's formula on the universal Picard stack

Authors: Alessandro Chiodo, David Holmes

Comments: 43 pages, comments very welcome!

Subjects: Algebraic Geometry (math.AG)

[4]  arXiv:2309.00322 [pdf, ps, other]

Title: Connectedness and combinatorial interplay in the moduli space of line arrangements

Authors: Benoît Guerville-Ballé, Juan Viu-Sos

Comments: 20 pages, 5 figures. Minor revisions from v.1

Subjects: Algebraic Geometry (math.AG); Combinatorics (math.CO)

[5]  arXiv:2309.00430 [pdf, ps, other]

Title: Torsion birational motives of surfaces and unramified cohomology

Authors: Kanetomo Sato, Takao Yamazaki

Comments: 28 pages; Introduction is revised; Remark 3.9 and Proposition 9.1 are added

Subjects: Algebraic Geometry (math.AG); K-Theory and Homology (math.KT); Number Theory (math.NT)

[6]  arXiv:2309.00806 [pdf, ps, other]

Title: The Fiber of the Principal Minor Map

Authors: Abeer Al Ahmadieh

Subjects: Algebraic Geometry (math.AG); Commutative Algebra (math.AC); Combinatorics (math.CO)

[7]  arXiv:2309.01031 [pdf, ps, other]

Title: Comparison and uniruledness of asymptotic base loci

Authors: Nikolaos Tsakanikas, Zhixin Xie

Comments: v2: minor changes, following the referee's comments; to appear in Michigan Math. J

Subjects: Algebraic Geometry (math.AG)

[8]  arXiv:2309.01053 [pdf, ps, other]

Title: An inequality for the Delta-genus of toric varieties

Authors: Shoetsu Ogata, Riki Tabei

Comments: 14 pages. We improve the statement of Theorem 3

Subjects: Algebraic Geometry (math.AG)

[9]  arXiv:2309.01057 [pdf, ps, other]

Title: Key varieties for prime $\mathbb{Q}$-Fano threefolds defined by Freudenthal triple systems

Authors: Hiromichi Takagi

Subjects: Algebraic Geometry (math.AG); Rings and Algebras (math.RA)

[10]  arXiv:2309.01388 [pdf, ps, other]

Title: Coherently complete algebraic stacks in positive characteristic

Authors: Jarod Alper, Jack Hall, David Benjamin Lim

Comments: 35 pages, comments welcome!

Subjects: Algebraic Geometry (math.AG)

[11]  arXiv:2309.01401 [pdf, ps, other]

Title: Residue formula for flag manifold of type $A$ from wall-crossing

Authors: Ryo Ohkawa

Subjects: Algebraic Geometry (math.AG)

[12]  arXiv:2309.01473 [pdf, ps, other]

Title: Twisted Equivariant Gromov-Witten Theory of the Classifying Space of a Finite Group

Authors: Zhuoming Lan, Zhengyu Zong

Comments: This paper is a non-abelian generalization of arXiv:1310.4812

Subjects: Algebraic Geometry (math.AG); Mathematical Physics (math-ph)

[13]  arXiv:2309.01654 [pdf, other]

Title: Taking limits in topological recursion

Authors: Gaëtan Borot, Vincent Bouchard, Nitin Kumar Chidambaram, Reinier Kramer, Sergey Shadrin

Comments: 83 pages, 12 figures

Subjects: Algebraic Geometry (math.AG); Mathematical Physics (math-ph)

[14]  arXiv:2309.01747 [pdf, ps, other]

Title: The HHMP decomposition of the permutohedron and degenerations of torus orbits in flag varieties

Authors: Carl Lian

Comments: 15 pages, sections permuted, several references and details added

Subjects: Algebraic Geometry (math.AG); Combinatorics (math.CO); Representation Theory (math.RT)

[15]  arXiv:2309.01846 [pdf, other]

Title: Equisingularity of families of map germs from the plane to 3-space

Authors: Otoniel Nogueira da Silva

Subjects: Algebraic Geometry (math.AG); Complex Variables (math.CV)

[16]  arXiv:2309.01959 [pdf, ps, other]

Title: On (2,2)-decomposable genus 4 Jacobians

Authors: Nils Bruin, Avinash Kulkarni

Comments: 22 pages; comments welcome

Subjects: Algebraic Geometry (math.AG); Number Theory (math.NT)

[17]  arXiv:2309.02096 [pdf, ps, other]

Title: A note on the push-forward formulas for even orthogonal Grassmannians

Authors: Andrzej Weber, Magdalena Zielenkiewicz

Subjects: Algebraic Geometry (math.AG)

[18]  arXiv:2309.02154 [pdf, other]

Title: Mirror symmetric Gamma conjecture for del Pezzo surfaces

Authors: Bohan Fang, Junxiao Wang, Yan Zhou

Comments: 26 pages, 10 figures

Subjects: Algebraic Geometry (math.AG); Symplectic Geometry (math.SG)

[19]  arXiv:2309.02238 [pdf, ps, other]

Title: The geometry of antisymplectic involutions, II

Authors: Laure Flapan, Emanuele Macrì, Kieran G. O'Grady, Giulia Saccà

Comments: 35 pages

Subjects: Algebraic Geometry (math.AG)

[20]  arXiv:2309.02346 [pdf, ps, other]

Title: Toward Shimurian analogs of Barsotti-Tate groups

Authors: Vladimir Drinfeld

Comments: These are the notes of the lecture given at the Chinese University of Hong Kong

Subjects: Algebraic Geometry (math.AG); Number Theory (math.NT)

[21]  arXiv:2309.02511 [pdf, other]

Title: On proper splinters in positive characteristic

Authors: Johannes Krah, Charles Vial

Comments: 35 pages; removed the pseudo-rationality assumption in Theorems F and G. The derived invariance of global F-regularity now holds for normal Gorenstein projective varieties

Subjects: Algebraic Geometry (math.AG)

[22]  arXiv:2309.02587 [pdf, ps, other]

Title: The singular support of an $\ell$-adic sheaf

Authors: Owen Barrett

Comments: 31 pages. Section 3 reorganized. To appear in the Tunisian Journal of Mathematics

Subjects: Algebraic Geometry (math.AG)

[23]  arXiv:2309.02624 [pdf, other]

Title: On Zariski multiplicity conjecture for quasihomogeneous surfaces with non-isolated singularities

Authors: Otoniel Nogueira da Silva

Subjects: Algebraic Geometry (math.AG); Complex Variables (math.CV)

[24]  arXiv:2309.02642 [pdf, ps, other]

Title: Two-pointed Prym-Brill-Noether Loci and coupled Prym-Petri theorem

Authors: Minyoung Jeon

Comments: 23 pages

Subjects: Algebraic Geometry (math.AG)

[25]  arXiv:2309.02684 [pdf, other]

Title: Functions on the moduli space of projective structures on complex curves

Authors: Indranil Biswas

Comments: Final version

Subjects: Algebraic Geometry (math.AG)