Algebraic Geometry

Authors and titles for December 2018

[51] arXiv:1812.04032 [pdf, other]

Title: Unexpected hypersurfaces with multiple fat points

Justyna Szpond

Comments: 10 pages, comments welcome

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

[52] arXiv:1812.04173 [pdf, other]

Title: Fano deformation rigidity of rational homogeneous spaces of submaximal Picard numbers

Qifeng Li

Comments: 39 pages, Comments are welcome!

Subjects: Algebraic Geometry (math.AG)

[53] arXiv:1812.04221 [pdf, other]

Title: Gromov-Witten invariants of $\mathbb{P}^1$ coupled to a KdV tau function

Paul Norbury

Comments: 27 pages

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

[54] arXiv:1812.04260 [pdf, other]

Title: On accumulation points of pseudo-effective thresholds

Jingjun Han, Zhan Li

Comments: 23 pages, to appear in manuscripta mathematica

Subjects: Algebraic Geometry (math.AG)

[55] arXiv:1812.04262 [pdf, other]

Title: Fujita's conjecture on iterated accumulation points of pseudo-effective thresholds

Zhan Li

Comments: minor changes on the quote of Nakayama's subadditivity theorem

Subjects: Algebraic Geometry (math.AG)

[56] arXiv:1812.04321 [pdf, other]

Title: Kulikov singularities

Jan Stevens

Comments: 10 pages, 1 figure

Journal-ref: Journal of Singularities 18 (2018), 477-485

Subjects: Algebraic Geometry (math.AG)

[57] arXiv:1812.04328 [pdf, other]

Title: Schubert calculus on Newton-Okounkov polytopes

Valentina Kiritchenko, Maria Padalko

Comments: 16 pages, 3 figures, survey for conference proceedings Interactions with Lattice Polytopes

Subjects: Algebraic Geometry (math.AG)

[58] arXiv:1812.04382 [pdf, other]

Title: New phenomena in the containment problem for simplicial arrangements

Marek Janasz, Magdalena Lampa-Baczyńska, Grzegorz Malara

Subjects: Algebraic Geometry (math.AG)

[59] arXiv:1812.04506 [pdf, other]

Title: Boundedness results for singular Fano varieties and applications to Cremona groups

Stefan Kebekus

Comments: Final version. To appear in the proceedings of the January 2019 edition of the Séminaire Nicolas Bourbaki

Journal-ref: S\'eminaire Nicolas Bourbaki. Vol. 2018/2019. Exp. No. 1157, 253--290 (2020)

Subjects: Algebraic Geometry (math.AG)

[60] arXiv:1812.04668 [pdf, other]

Title: Homogeneous spaces, algebraic $K$-theory and cohomological dimension of fields

Diego Izquierdo, Giancarlo Lucchini Arteche

Comments: Final accepted version

Journal-ref: J. Eur. Math. Soc. 24 (2022), 2169-2189

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

[61] arXiv:1812.04670 [pdf, other]

Title: A boundedness theorem for cone singularities

Joaquín Moraga

Comments: Comments are welcome

Subjects: Algebraic Geometry (math.AG)

[62] arXiv:1812.04874 [pdf, other]

Title: Exponential convexifying of polynomials

Krzysztof Kurdyka, Katarzyna Kuta, Stanisław Spodzieja

Comments: 19 pages

Subjects: Algebraic Geometry (math.AG); Classical Analysis and ODEs (math.CA)

[63] arXiv:1812.04883 [pdf, other]

Title: Effective {\L}ojasiewicz gradient inequality and finite determinacy of non-isolated Nash function singularities

Beata Osińska-Ulrych, Grzegorz Skalski, Stanisław Spodzieja

Comments: 21 pages

Subjects: Algebraic Geometry (math.AG)

[64] arXiv:1812.04936 [pdf, other]

Title: Counts of (tropical) curves in $E\times \mathbb{P}^1$ and Feynman integrals

Janko Böhm, Christoph Goldner, Hannah Markwig

Comments: 26 pages, 12 figures. We thank an anonymous referee for pointing out a mistake which we fixed in this version

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

[65] arXiv:1812.04947 [pdf, other]

Title: A differential graded Lie algebra controlling the Poisson deformations of an affine Poisson variety

Matej Filip

Comments: arXiv admin note: text overlap with arXiv:1803.07486

Subjects: Algebraic Geometry (math.AG)

[66] arXiv:1812.04979 [pdf, other]

Title: Factorial rational varieties which admit or fail to admit an elliptic $\mathbb{G}_m$-action

Gene Freudenburg, Takanori Nagamine

Comments: 18 pages

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

[67] arXiv:1812.04996 [pdf, other]

Title: Ekedahl-Oort strata on the moduli space of curves of genus four

Zijian Zhou

Comments: 17 pages

Subjects: Algebraic Geometry (math.AG)

[68] arXiv:1812.05000 [pdf, other]

Title: Extending meromorphic connections to coadmissible D-cap-modules

Thomas Bitoun, Andreas Bode

Comments: 21 pages. To appear in Crelle's Journal

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

[69] arXiv:1812.05018 [pdf, other]

Title: Review on rationality problems of algebraic k-tori

Youngjin Bae

Subjects: Algebraic Geometry (math.AG)

[70] arXiv:1812.05024 [pdf, other]

Title: Effective divisors in the projectivized Hodge bundle

Iulia Gheorghita

Subjects: Algebraic Geometry (math.AG); Geometric Topology (math.GT)

[71] arXiv:1812.05242 [pdf, other]

Title: On the image of the Abel-Jacobi map

Sen Yang

Comments: 6 pages. Update references

Subjects: Algebraic Geometry (math.AG)

[72] arXiv:1812.05246 [pdf, other]

Title: Infinitesimal deformation of Deligne cycle class map

Sen Yang

Comments: 10 pages

Subjects: Algebraic Geometry (math.AG)

[73] arXiv:1812.05392 [pdf, other]

Title: Mukai pairs and simple $K$-equivalence

Akihiro Kanemitsu

Comments: 19 pages

Subjects: Algebraic Geometry (math.AG)

[74] arXiv:1812.05408 [pdf, other]

Title: A geometric criterion on the equality between BKK bound and intersection index

Tianran Chen

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

[75] arXiv:1812.05426 [pdf, other]

Title: On the Noether Problem for torsion subgroups of tori

Federico Scavia

Journal-ref: Pacific J. Math. 306 (2020) 699-719

Subjects: Algebraic Geometry (math.AG)

[76] arXiv:1812.05470 [pdf, other]

Title: Rational curves on a smooth Hermitian surface

Norifumi Ojiro

Comments: Some typos are corrected. The paragraph following Corollary 1.4 on page 3 is modified, especially numerical errors are corrected. accepted for publication in Hiroshima Mathematical Journal

Journal-ref: Hiroshima Math. J. 49 (2019), no. 1, 161--173

Subjects: Algebraic Geometry (math.AG)

[77] arXiv:1812.05505 [pdf, other]

Title: On degree bounds for the sparse Nullstellensatz

Maria Isabel Herrero, Gabriela Jeronimo, Juan Sabia

Comments: 13 pages

Subjects: Algebraic Geometry (math.AG)

[78] arXiv:1812.05516 [pdf, other]

Title: Multiplicative Hitchin Systems and Supersymmetric Gauge Theory

Chris Elliott, Vasily Pestun

Comments: 66 pages. Minor edit correcting a misattributed reference

Subjects: Algebraic Geometry (math.AG); High Energy Physics - Theory (hep-th); Mathematical Physics (math-ph); Quantum Algebra (math.QA)

[79] arXiv:1812.05648 [pdf, other]

Title: Euclidean distance degree of the multiview variety

Laurentiu G. Maxim, Jose Israel Rodriguez, Botong Wang

Comments: Euclidean distance degree, multiview variety, triangulation problem, non-proper Morse theory, Euler-Poincare characteristic, local Euler obstruction

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

[80] arXiv:1812.05685 [pdf, other]

Title: Derived category of projectivization and generalized linear duality

Qingyuan Jiang

Comments: 10 pages, 1 figure. Comments are welcome

Subjects: Algebraic Geometry (math.AG)

[81] arXiv:1812.05871 [pdf, other]

Title: Hodge-Deligne Polynomials of Symmetric Products of Algebraic Groups

Jaime A. M. Silva

Comments: This new version simplifies the technical aspects in the previous one, and adds several examples, such as complex tori and real Lie groups

Subjects: Algebraic Geometry (math.AG)

[82] arXiv:1812.05891 [pdf, other]

Title: Families of curves with Higgs field of arbitrarily large kernel

Víctor González-Alonso, Sara Torelli

Comments: Construction of the covering in the proof of Theorem 1.1 updated. Referee's comments incorporated

Subjects: Algebraic Geometry (math.AG)

[83] arXiv:1812.05937 [pdf, other]

Title: Hilbert property for double conic bundles and del Pezzo varieties

Sam Streeter

Comments: 9 pages

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

[84] arXiv:1812.06129 [pdf, other]

Title: Enumera\c{c}\~ao de hipersuperf\'icies com subesquemas singulares

Weversson Dalmaso Sellin

Comments: doctoral thesis, in Portuguese

Subjects: Algebraic Geometry (math.AG)

[85] arXiv:1812.06200 [pdf, other]

Title: Mirror Symmetry for Nonabelian Landau-Ginzburg Models

Nathan Priddis, Joseph Ward, Matthew M. Williams

Comments: v3 fixes some errors in v2. Altogether 29 pages, 7 tables

Journal-ref: SIGMA 16 (2020), 059, 31 pages

Subjects: Algebraic Geometry (math.AG)

[86] arXiv:1812.06278 [pdf, other]

Title: Good lattices of algebraic connections

Hélène Esnault, Claude Sabbah

Comments: 24 pages. V2 25 pages, revised version. V3: final version to appear in Documenta Mathematica

Journal-ref: Doc. Math. 24, 271-301 (2019)

Subjects: Algebraic Geometry (math.AG)

[87] arXiv:1812.06413 [pdf, other]

Title: Derived equivalences for the flops of type $C_2$ and $A^G_4$ via mutation of semiorthogonal decomposition

Hayato Morimura

Comments: 12 pages; v3: Final version, Minor changes from v2, To appear in Algebra Represent. Theory, DOI:https://doi.org/10.1007/s10468-021-10036-y

Subjects: Algebraic Geometry (math.AG)

[88] arXiv:1812.06438 [pdf, other]

Title: Singularities of divisors of low degree on simple abelian varieties

Giuseppe Pareschi

Comments: 7 pages. Expository changes. To appear on IMRN

Journal-ref: INTERNATIONAL MATHEMATICS RESEARCH NOTICES, 2021(21), 16724-16733

Subjects: Algebraic Geometry (math.AG)

[89] arXiv:1812.06441 [pdf, other]

Title: K\"unneth formulas for motives and additivity of traces

Fangzhou Jin, Enlin Yang

Comments: 58 pages; updated two references

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

[90] arXiv:1812.06495 [pdf, other]

Title: Period relations for Riemann surfaces with many automorphisms

Luca Candelori, Jack Fogliasso, Christopher Marks, Skip Moses

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

[91] arXiv:1812.06512 [pdf, other]

Title: On the Milnor formula in arbitrary characteristic

Evelia R. García Barroso, Arkadiusz Płoski

Comments: 18 pages

Journal-ref: Singularities, Algebraic Geometry, Commutative Algebra and Related Topics. Festschrift for Antonio Campillo on the Occasion of his 65th Birthday. G.M. Greuel, L. Narva\'ez and S. Xamb\'o-Descamps eds. Springer, (2018), 119-133

Subjects: Algebraic Geometry (math.AG)

[92] arXiv:1812.06543 [pdf, other]

Title: Reflexive modules on normal Gorenstein Stein surfaces, their deformations and moduli

Javier Fernandez de Bobadilla, Agustin Romano Velazquez

Comments: 76 pages. This is a modification of the first version, in order to correct a gap detected in the last section of the paper, which has been erased

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

[93] arXiv:1812.06682 [pdf, other]

Title: On complete intersections containing a linear subspace

Francesco Bastianelli, Ciro Ciliberto, Flaminio Flamini, Paola Supino

Comments: 6 pages, the collaboration has benefitted of funding from the research project \emph{"Families of curves: their moduli and their related varieties"} (CUP: E81-18000100005) - Mission Sustainability - University of Rome Tor Vergata

Subjects: Algebraic Geometry (math.AG)

[94] arXiv:1812.06819 [pdf, other]

Title: Galois conjugates of special points and special subvarieties in Shimura varieties

Martin Orr

Comments: 16 pages

Journal-ref: Journal of the Institute of Mathematics of Jussieu 20 (3), p. 1075-1089, 2021

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

[95] arXiv:1812.06849 [pdf, other]

Title: On the slopes of the lattice of sections of Hermitian line bundles

T. Chinburg, Q. Guignard, C. Soulé

Subjects: Algebraic Geometry (math.AG)

[96] arXiv:1812.06882 [pdf, other]

Title: K3 surfaces associated to Abelian Fourfolds of Mumford's Type

Yuwei Zhu

Comments: Update April 3, 2019: minor changes

Subjects: Algebraic Geometry (math.AG)

[97] arXiv:1812.06914 [pdf, other]

Title: Canonical coverings of Enriques surfaces in characteristic $2$

Yuya Matsumoto

Comments: comments welcome / v2 contains several new results: the case of elliptic double point singularity is taken into consideration, and the description of 1-dimensional family of Enriques quotients is added / v3 (23 pages) minor revision, former Section 2 split into Sections 2 and 3

Journal-ref: Math. Soc. Japan 74 (3) 849 - 872, July, 2022

Subjects: Algebraic Geometry (math.AG)

[98] arXiv:1812.06933 [pdf, other]

Title: The Moduli Space of Stables Maps with Divisible Ramification

Oliver Leigh

Comments: 29 pages

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

[99] arXiv:1812.07020 [pdf, other]

Title: Shifted varieties and discrete neighborhoods around varieties

Joachim von zur Gathen, Guillermo Matera

Comments: 25 pages, new abstract and introduction, examples added

Subjects: Algebraic Geometry (math.AG); Discrete Mathematics (cs.DM)

[100] arXiv:1812.07086 [pdf, other]

Title: Compactification of Dolbeault moduli spaces

Mark Andrea A. de Cataldo

Comments: 22 pages. Comments are welcome. I thank the anonymous referees for their suggestions, especially in connection with their constructive criticism of the original proof of Theorem 3.1.1.(1,2) (projectivity of the compactification), which contained a gap, now fixed. To appear in IMRN

Subjects: Algebraic Geometry (math.AG)