Algebraic Geometry

Authors and titles for math.AG in Aug 2023

[1]  arXiv:2308.00046 [pdf, other]

Title: Degenerations of complete collineations and geometric Tevelev degrees of $\mathbb{P}^r$

Authors: Carl Lian

Comments: 44 pages. Introduction rewritten, section 7 shortened (previous content partially subsumed by 2309.01747)

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

[2]  arXiv:2308.00050 [pdf, ps, other]

Title: The probabilistic method in real singularity theory

Authors: Antonio Lerario, Michele Stecconi

Subjects: Algebraic Geometry (math.AG)

[3]  arXiv:2308.00051 [pdf, other]

Title: The Arc-Floer conjecture for plane curves

Authors: Javier de la Bodega, Eduardo de Lorenzo Poza

Comments: 27 pages, 2 figures

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

[4]  arXiv:2308.00095 [pdf, ps, other]

Title: Sums of squares on hypersurfaces

Authors: Kacper Błachut, Tomasz Kowalczyk

Comments: minor changes, final version, 9 pages

Journal-ref: Results Math 79, 90 (2024)

Subjects: Algebraic Geometry (math.AG)

[5]  arXiv:2308.00098 [pdf, ps, other]

Title: Gonality of curves whose normalizations are one or two copies of $\mathbb P^1$

Authors: Juliana Coelho

Comments: 12 pages, 2 figures. Comments welcome. arXiv admin note: text overlap with arXiv:2003.09331

Subjects: Algebraic Geometry (math.AG)

[6]  arXiv:2308.00286 [pdf, ps, other]

Title: Morphisms from projective spaces to $G/P$

Authors: Sarjick Bakshi, A J Parameswaran

Comments: Errors from the first version corrected

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

[7]  arXiv:2308.00761 [pdf, ps, other]

Title: Geproci sets and the combinatorics of skew lines in $\mathbb P^3$

Authors: Luca Chiantini, Łucja Farnik, Giuseppe Favacchio, Brian Harbourne, Juan Migliore, Tomasz Szemberg, Justyna Szpond

Comments: 36 pages

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

[8]  arXiv:2308.00780 [pdf, ps, other]

Title: Higher Genus Gromov-Witten Theory of C^n/Z_n II: Crepant Resolution Correspondence

Authors: Deniz Genlik, Hsian-Hua Tseng

Comments: Minor changes have been made for clarification. No results are affected. 51 pages. Comments welcome!

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

[9]  arXiv:2308.00884 [pdf, ps, other]

Title: The classification of smooth quotients of abelian surfaces

Authors: Takahiro Shibata

Comments: 12 pages

Subjects: Algebraic Geometry (math.AG)

[10]  arXiv:2308.00959 [pdf, ps, other]

Title: On Treibich-Verdier curves

Authors: Edoardo Sernesi

Comments: To appear on Pure and Applied Mathematics Quarterly

Subjects: Algebraic Geometry (math.AG)

[11]  arXiv:2308.01048 [pdf, ps, other]

Title: Geometric Conditions for Twisted O-Sphericity

Authors: Arieh Zimmerman

Comments: Abridged Master's Thesis

Subjects: Algebraic Geometry (math.AG)

[12]  arXiv:2308.01077 [pdf, ps, other]

Title: On the Kodaira--Saito vanishing theorem of weakly ample divisor

Authors: Yongpan Zou

Comments: arXiv admin note: text overlap with arXiv:2306.00313, arXiv:1605.08088 by other authors

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

[13]  arXiv:2308.01099 [pdf, ps, other]

Title: Logarithmic cohomological field theories

Authors: David Holmes, Pim Spelier

Comments: 41 pages. v2: more streamlined definition of gluing. Comments still very welcome!

Subjects: Algebraic Geometry (math.AG)

[14]  arXiv:2308.01110 [pdf, other]

Title: Derived binomial rings I: integral Betti cohomology of log schemes

Authors: Dmitry Kubrak, Georgii Shuklin, Alexander Zakharov

Comments: 61 pages, comments welcome

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

[15]  arXiv:2308.01219 [pdf, ps, other]

Title: On the pluricanonical map and the canonical volume of projective 4-folds of general type

Authors: Jianshi Yan

Comments: 11 pages. Comments are welcome. arXiv admin note: text overlap with arXiv:1904.09393

Subjects: Algebraic Geometry (math.AG)

[16]  arXiv:2308.01266 [pdf, ps, other]

Title: Deformations of cohesive modules on compact complex manifolds

Authors: Zhaoting Wei

Comments: 34 pages, Proposition 5.2 in Section 5.3 modified

Subjects: Algebraic Geometry (math.AG); Category Theory (math.CT); Differential Geometry (math.DG)

[17]  arXiv:2308.01376 [pdf, other]

Title: Finite braid group orbits on $SL_2$-character varieties

Authors: Yeuk Hay Joshua Lam, Aaron Landesman, Daniel Litt

Comments: 28 pages, 2 figures. Comments welcome

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

[18]  arXiv:2308.01460 [pdf, ps, other]

Title: Desingularization of generic symmetric and generic skew-symmetric determinantal singularities

Authors: Sabrina Alexandra Gaube, Bernd Schober

Comments: 14 pages; more details to the proof of Theorem A added. Accepted for publication in manuscripta mathematica

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

[19]  arXiv:2308.01473 [pdf, ps, other]

Title: The minimal and next minimal volumes of normal KSBA stable surfaces with $p_g\ge 2$

Authors: Jinshan Chen

Comments: 31 pages, 7 figures

Subjects: Algebraic Geometry (math.AG)

[20]  arXiv:2308.01585 [pdf, ps, other]

Title: A footnote to a paper of Deodhar

Authors: Davide Franco

Comments: 12 pages

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

[21]  arXiv:2308.01617 [pdf, ps, other]

Title: The lattice property for perfect complexes on singular stacks

Authors: Adeel A. Khan

Comments: 7 pages

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

[22]  arXiv:2308.01652 [pdf, ps, other]

Title: Cohomological and categorical concentration

Authors: Adeel A. Khan, Charanya Ravi

Comments: 30 pages

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

[23]  arXiv:2308.01670 [pdf, ps, other]

Title: Generalized local jacobians and commutative group stacks

Authors: Bertrand Toen

Comments: 29 pages

Subjects: Algebraic Geometry (math.AG)

[24]  arXiv:2308.01715 [pdf, ps, other]

Title: An equivariant compactification for adjoint reductive group schemes

Authors: Shang Li

Comments: Lemma 3.3 is added to fix a gap in Theorem 3.4

Subjects: Algebraic Geometry (math.AG)

[25]  arXiv:2308.02089 [pdf, ps, other]

Title: Polarized interpolation and normal postulation for curves on Fano hypersurfaces

Authors: Ziv Ran

Subjects: Algebraic Geometry (math.AG)