Algebraic Geometry

Authors and titles for math.AG in Jan 2023, skipping first 75

[76]  arXiv:2301.05979 [pdf, ps, other]

Title: Syzygies of Curves in Products of Projective Spaces

Authors: John Cobb

Comments: 17 pages; added revisions according to referee comments

Journal-ref: Mathematische Zeitschrift, 306 (2024) no. 27

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

[77]  arXiv:2301.05982 [pdf, ps, other]

Title: Mixed mock modularity of special divisors

Authors: Philip Engel, François Greer, Salim Tayou

Comments: 37 pages, 0 figures

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

[78]  arXiv:2301.06019 [pdf, ps, other]

Title: Proportion of blocking curves in a pencil

Authors: Shamil Asgarli, Dragos Ghioca, Chi Hoi Yip

Comments: 9 pages

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

[79]  arXiv:2301.06257 [pdf, other]

Title: On the complexity of analyticity in semi-definite optimization

Authors: Saugata Basu, Ali Mohammad-Nezhad

Subjects: Algebraic Geometry (math.AG); Optimization and Control (math.OC)

[80]  arXiv:2301.06362 [pdf, ps, other]

Title: On the density of strongly minimal algebraic vector fields

Authors: Remi Jaoui

Comments: 51 pages

Subjects: Algebraic Geometry (math.AG); Logic (math.LO)

[81]  arXiv:2301.06367 [pdf, other]

Title: Convex Fujita numbers and the fundamental group

Authors: Jiaming Chen, Alex Küronya, Yusuf Mustopa, Jakob Stix

Comments: 12 pages, comments welcome

Subjects: Algebraic Geometry (math.AG)

[82]  arXiv:2301.06481 [pdf, other]

Title: Explicit Birational Geometry of Fano threefold complete intersections

Authors: Tiago Duarte Guerreiro

Comments: 112 pp. Comments are welcome

Subjects: Algebraic Geometry (math.AG)

[83]  arXiv:2301.06737 [pdf, ps, other]

Title: The Chow ring of a sequence of point blow-ups

Authors: Daniel Camazón Portela

Subjects: Algebraic Geometry (math.AG)

[84]  arXiv:2301.06775 [pdf, ps, other]

Title: Hyperlogarithmic functional equations on del Pezzo surfaces

Authors: Ana-Maria Castravet, Luc Pirio

Comments: Second version, two references and a few comments added, 20 pages, 1 figure

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

[85]  arXiv:2301.06818 [pdf, ps, other]

Title: Indecomposability of derived categories for arbitrary schemes

Authors: Ana Cristina López Martín, Fernando Sancho de Salas

Comments: Final version with an appendix by Shinnosuke Okawa. To appear in Collectanea Mathematica

Subjects: Algebraic Geometry (math.AG)

[86]  arXiv:2301.06949 [pdf, other]

Title: Categorical cyclic homology and filtered $\mathcal{D}$-modules on stacks: Koszul duality

Authors: Harrison Chen

Comments: Improved main result (now functorial for all pullbacks and proper pushforward), slightly changed title, 42 pages, comments welcome

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

[87]  arXiv:2301.06952 [pdf, ps, other]

Title: On the duals of smooth projective complex hypersurfaces

Authors: Alexandru Dimca, Giovanna Ilardi

Comments: v3. Some details are added to the proof of the main result. This version will be published in Publicacions Matem\`atiques

Subjects: Algebraic Geometry (math.AG)

[88]  arXiv:2301.06994 [pdf, ps, other]

Title: Complements of discriminants of real singularities of type $X_{10}$

Authors: Victor A. Vassiliev

Subjects: Algebraic Geometry (math.AG)

[89]  arXiv:2301.07001 [pdf, ps, other]

Title: Sparse curve singularities, singular loci of resultants, and Vandermonde matrices

Authors: Alexander Esterov, Evgeny Statnik, Arina Voorhaar

Comments: 42 pages, 2 figures

Subjects: Algebraic Geometry (math.AG)

[90]  arXiv:2301.07055 [pdf, other]

Title: On $G$-birational rigidity of del Pezzo surfaces

Authors: Egor Yasinsky

Comments: 27 pages. Substantially updated version, main results unchanged. A new section is added, plus many explicit examples

Subjects: Algebraic Geometry (math.AG)

[91]  arXiv:2301.07268 [pdf, other]

Title: Braid variety cluster structures, II: general type

Authors: Pavel Galashin, Thomas Lam, Melissa Sherman-Bennett

Comments: 29 pages. v2: minor changes

Subjects: Algebraic Geometry (math.AG); Combinatorics (math.CO); Rings and Algebras (math.RA); Representation Theory (math.RT)

[92]  arXiv:2301.07423 [pdf, ps, other]

Title: On the automorphism group of a family of maximal curves not covered by the Hermitian curve

Authors: Maria Montanucci, Guilherme Tizziotti, Giovanni Zini

Subjects: Algebraic Geometry (math.AG)

[93]  arXiv:2301.07462 [pdf, ps, other]

Title: On explicit birational geometry for weak Fano varieties and polarised Calabi-Yau varieties

Authors: Minzhe Zhu

Comments: 14 pages

Subjects: Algebraic Geometry (math.AG)

[94]  arXiv:2301.07572 [pdf, ps, other]

Title: A local-global principle for twisted flag varieties

Authors: Philippe Gille (ICJ), Raman Parimala

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

[95]  arXiv:2301.07591 [pdf, ps, other]

Title: Uniformization of complex projective klt varieties by bounded symmetric domains

Authors: Aryaman Patel

Comments: 38 pages, 1 table typos corrected, Lemmas 2.18 and 2.20 fixed, one reference added

Subjects: Algebraic Geometry (math.AG)

[96]  arXiv:2301.07598 [pdf, ps, other]

Title: Counting equivariant sheaves on K3 surfaces

Authors: Yunfeng Jiang, Hao Max Sun

Comments: 20 pages, comments are welcome

Subjects: Algebraic Geometry (math.AG)

[97]  arXiv:2301.07815 [pdf, ps, other]

Title: Noncommutative scheme theory and the Serre-Artin-Zhang-Verevkin theorem for semi-graded rings

Authors: Andrés Chacón, Armando Reyes

Comments: 34 pages

Subjects: Algebraic Geometry (math.AG); Quantum Algebra (math.QA)

[98]  arXiv:2301.07872 [pdf, other]

Title: Automorphisms of weighted projective hypersurfaces

Authors: Louis Esser

Comments: 25 pages, comments welcome! v3: final version, to appear in J. Pure Appl. Algebra

Subjects: Algebraic Geometry (math.AG)

[99]  arXiv:2301.07883 [src]

Title: A Littlewood-Richardson rule for Grassmannian Schubert varieties

Authors: Sami H. Assaf

Comments: The rule as stated in this version is incorrect. A corrected version will appear in subsequent paper with N. Bergeron

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

[100]  arXiv:2301.08120 [pdf, ps, other]

Title: Convex Bodies associated to Linear series of Adelic Divisors on Quasi-Projective Varieties

Authors: Debam Biswas

Comments: 22 pages, Comments are welcome

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