Algebraic Geometry

Authors and titles for December 2018

[1] arXiv:1812.00010 [pdf, other]

Title: $q$-Stability conditions via $q$-quadratic differentials for Calabi-Yau-$\mathbb{X}$ categories

Akishi Ikeda, Yu Qiu

Comments: Memoirs of Amer. Math. Soc. to appear

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

[2] arXiv:1812.00248 [pdf, other]

Title: Pseudotropical curves

Sergei Lanzat, Michael Polyak

Comments: 39 pages, many figures

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

[3] arXiv:1812.00256 [pdf, other]

Title: A Riemann-Hilbert correspondence for Cartier crystals

Tobias Schedlmeier

Comments: The results in this paper are part of the author's PhD thesis

Subjects: Algebraic Geometry (math.AG)

[4] arXiv:1812.00288 [pdf, other]

Title: On the Nash problem for surfaces in positive characteristic

Augusto Nobile

Subjects: Algebraic Geometry (math.AG)

[5] arXiv:1812.00337 [pdf, other]

Title: Pseudo-N\'eron Model and Restriction of Sections with an appendix by Jason Michael Starr

Santai Qu

Comments: 47 pages. Comments are welcome!

Subjects: Algebraic Geometry (math.AG)

[6] arXiv:1812.00580 [pdf, other]

Title: A note on the Tangent Cones of the scheme of Secant Loci

Ali Bajravani

Comments: Comments are well come

Journal-ref: Rend. Circ. Mat. Palermo, II. Ser (2018) 67: 599

Subjects: Algebraic Geometry (math.AG)

[7] arXiv:1812.00614 [pdf, other]

Title: L\^e numbers and Newton diagram

Christophe Eyral, Grzegorz Oleksik, Adam Różycki

Comments: 17 pages, 1 figure

Subjects: Algebraic Geometry (math.AG)

[8] arXiv:1812.00705 [pdf, other]

Title: On Riemann surfaces of genus $g$ with $4g-4$ automorphisms

Sebastián Reyes-Carocca

Comments: 15 pages

Journal-ref: Israel J. Math. 237, 415-436 (2020)

Subjects: Algebraic Geometry (math.AG)

[9] arXiv:1812.00706 [pdf, other]

Title: Quot schemes, Segre invariants, and inflectional loci of scrolls over curves

George H. Hitching

Comments: 19 pages

Subjects: Algebraic Geometry (math.AG)

[10] arXiv:1812.00755 [pdf, other]

Title: Irregular Hodge numbers of confluent hypergeometric differential equations

Claude Sabbah, Jeng-Daw Yu

Comments: 9 pages. V2: typos corrected

Journal-ref: Épijournal de Géométrie Algébrique, Volume 3 (June 6, 2019) epiga:5032

Subjects: Algebraic Geometry (math.AG)

[11] arXiv:1812.00936 [pdf, other]

Title: Spherical actions on isotropic flag varieties and related branching rules

Roman Avdeev, Alexey Petukhov

Comments: v4: 51 pages, updated references and a few minor changes

Journal-ref: Transformation Groups, vol. 26 (2021), no. 3, 719-774

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

[12] arXiv:1812.01128 [pdf, other]

Title: Existence of moduli spaces for algebraic stacks

Jarod Alper, Daniel Halpern-Leistner, Jochen Heinloth

Comments: 79 pages: compatible with final published version

Journal-ref: Inventiones mathematicae, volume 234, pages 949-1038, (2023)

Subjects: Algebraic Geometry (math.AG)

[13] arXiv:1812.01313 [pdf, other]

Title: On the almost generic covers of the projective plane

Vik.S. Kulikov

Comments: 13 pages. Submitted to the Pure and Applied Math. Quarterly

Subjects: Algebraic Geometry (math.AG)

[14] arXiv:1812.01384 [pdf, other]

Title: Group schemes and motivic spectra

Grigory Garkusha

Comments: accepted for publication in the Israel Journal of Mathematics

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

[15] arXiv:1812.01526 [pdf, other]

Title: On the uniqueness of infinity-categorical enhancements of triangulated categories

Benjamin Antieau

Comments: Updates and corrections to Section 8; discussion of recent results of Canonaco, Neeman, and Stellari

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

[16] arXiv:1812.01563 [pdf, other]

Title: On osculating framing of real algebraic links

Grigory Mikhalkin, Stepan Orevkov

Comments: 6 pages, 1 figure

Subjects: Algebraic Geometry (math.AG)

[17] arXiv:1812.01622 [pdf, other]

Title: A special Calabi-Yau degeneration with trivial monodromy

Slawomir Cynk, Duco van Straten

Subjects: Algebraic Geometry (math.AG)

[18] arXiv:1812.01732 [pdf, other]

Title: Variations on the theme of quantum Lefschetz

Honglu Fan, Yuan-Pin Lee

Comments: References updated. 10 pages

Subjects: Algebraic Geometry (math.AG)

[19] arXiv:1812.01758 [pdf, other]

Title: On $\mathrm{H}-$trivial line bundles on toric DM stacks of dimension two

Chengxi Wang

Comments: 20 pages, 8 figures

Subjects: Algebraic Geometry (math.AG)

[20] arXiv:1812.01878 [pdf, other]

Title: Semi-purity for cycles with modulus

Federico Binda, Shuji Saito

Comments: This paper is withdrawn due to a gap in Prop. 5.4.4, from which the main theorem depends

Subjects: Algebraic Geometry (math.AG)

[21] arXiv:1812.01883 [pdf, other]

Title: On algorithmic unsolvability of the problem embeddability of algebraic varieties over a field of characteristic zero

A.J.Kanel-Belov, A.A.Chilikov

Comments: 17 pages, in Russian

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

[22] arXiv:1812.01913 [pdf, other]

Title: Picard group of moduli of curves of low genus in positive characteristic

Andrea Di Lorenzo

Comments: 19 pages, to appear in Manuscripta Mathematica. Comments are welcome!

Subjects: Algebraic Geometry (math.AG)

[23] arXiv:1812.01929 [pdf, other]

Title: Rational curves on complete intersection Calabi-Yau 3-folds

B. Wang

Subjects: Algebraic Geometry (math.AG)

[24] arXiv:1812.02020 [pdf, other]

Title: Classification of Enriques surfaces covered by the supersingular K3 surface with Artin invariant 1 in characteristic 2

Shigeyuki Kondo

Comments: 32 pages, 4 figures; final version

Subjects: Algebraic Geometry (math.AG)

[25] arXiv:1812.02044 [pdf, other]

Title: Smooth projective horospherical varieties of Picard group $\mathbb{Z}^2$

Boris Pasquier (LMA-Poitiers)

Journal-ref: {\'E}pijournal de G{\'e}om{\'e}trie Alg{\'e}brique, EPIGA, 2020, {\'E}pijournal de G{\'e}om{\'e}trie Alg{\'e}brique, volume 4 (2020), Article no. 4

Subjects: Algebraic Geometry (math.AG)

[26] arXiv:1812.02195 [pdf, other]

Title: Local uniqueness of approximations and finite determinacy of log morphisms

Helge Ruddat

Comments: 21 pages, revised version

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

[27] arXiv:1812.02279 [pdf, other]

Title: Serre Duality for the Cohomology of Landau-Ginzburg models

Mu-Lin Li

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

[28] arXiv:1812.02283 [pdf, other]

Title: The regularity of almost-commuting partial Grothendieck--Springer resolutions and parabolic analogs of Calogero--Moser varieties

Mee Seong Im, Travis Scrimshaw

Comments: 18 pages, to appear in Journal of Lie Theory

Journal-ref: J. Lie Theory, 31(1) (2021) pp. 127-148

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

[29] arXiv:1812.02352 [pdf, other]

Title: A Motivic Snaith Decomposition

Viktor Kleen

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

[30] arXiv:1812.02377 [pdf, other]

Title: Injective linear series of algebraic curves on quadrics

Edoardo Ballico, Emanuele Ventura

Comments: Expanded material from previous version

Subjects: Algebraic Geometry (math.AG)

[31] arXiv:1812.02400 [pdf, other]

Title: Automorphism groups of Inoue and Kodaira surfaces

Yuri Prokhorov, Constantin Shramov

Comments: Formerly part of arXiv:1708.03566. Remarks 3.4 and 7.5 removed; 14 pages

Subjects: Algebraic Geometry (math.AG)

[32] arXiv:1812.02413 [pdf, other]

Title: Counting Surfaces Singular Along a Line in $P^3$

Shachar Carmeli, Lev Radzivilovsky

Comments: The second version fixes a computation mistake from the first version, example of cubic scrolls is added. The third version is grammar and style improvements

Subjects: Algebraic Geometry (math.AG)

[33] arXiv:1812.02470 [pdf, other]

Title: A new general formula for the Cauchy Index on an interval with Subresultants

Daniel Perrucci, Marie-Françoise Roy

Subjects: Algebraic Geometry (math.AG)

[34] arXiv:1812.02526 [pdf, other]

Title: Hilbert scheme of rational curves on a generic quintic threefold

B. Wang

Subjects: Algebraic Geometry (math.AG)

[35] arXiv:1812.02594 [pdf, other]

Title: Tutorial on Tom and Jerry: the two smoothings of the anticanonical cone over PP(1,2,3)

Gavin Brown, Miles Reid, Jan Stevens

Comments: 12 pp

Subjects: Algebraic Geometry (math.AG)

[36] arXiv:1812.02735 [pdf, other]

Title: Discriminants of stable rank two sheaves on some general type surfaces

Benjamin Schmidt, Benjamin Sung

Comments: 16 pages, Third Version: Minor Changes

Subjects: Algebraic Geometry (math.AG)

[37] arXiv:1812.02851 [pdf, other]

Title: Certification for Polynomial Systems via Square Subsystems

Timothy Duff, Nickolas Hein, Frank Sottile

Comments: 21 pages. Final version accepted to JSC special issue

Subjects: Algebraic Geometry (math.AG); Numerical Analysis (math.NA)

[38] arXiv:1812.02859 [pdf, other]

Title: Augmented Polynomial Symplectomorphisms and Quantization

Alexei Kanel-Belov, Andrey Elishev, Jie-Tai Yu

Comments: 34 pages; essential revisions. arXiv admin note: substantial text overlap with arXiv:1512.06533

Subjects: Algebraic Geometry (math.AG)

[39] arXiv:1812.02965 [pdf, other]

Title: Stratified Bundles on Curves and Differential Galois Groups in Positive Characteristic

Marius van der Put

Journal-ref: SIGMA 15 (2019), 071, 24 pages

Subjects: Algebraic Geometry (math.AG)

[40] arXiv:1812.03045 [pdf, other]

Title: A Note on Algebraic Linear Partial Differential Equations

Stefan Günther

Comments: 21 pages

Subjects: Algebraic Geometry (math.AG)

[41] arXiv:1812.03185 [pdf, other]

Title: Gauss-Manin Lie algebra of mirror elliptic K3 surfaces

Murad Alim, Martin Vogrin

Comments: 19 pages

Subjects: Algebraic Geometry (math.AG); High Energy Physics - Theory (hep-th)

[42] arXiv:1812.03287 [pdf, other]

Title: On germs of finite morphisms of smooth surfaces

Vik.S. Kulikov

Comments: Definition of D-automorphisms and several misprints are corrected

Subjects: Algebraic Geometry (math.AG)

[43] arXiv:1812.03386 [pdf, other]

Title: An Example of Wild Ramification in an Enriched Riemann-Hurwitz Formula

Candace Bethea, Jesse Leo Kass, Kirsten Wickelgren

Subjects: Algebraic Geometry (math.AG)

[44] arXiv:1812.03404 [pdf, other]

Title: A note on fierce ramification

Hélène Esnault, Lars Kindler, Vasudevan Srinivas

Comments: latex, 9 pages

Subjects: Algebraic Geometry (math.AG)

[45] arXiv:1812.03427 [pdf, other]

Title: Around the uniform rationality I

Ilya Karzhemanov

Comments: 10 pages; shortened version, title changed

Subjects: Algebraic Geometry (math.AG)

[46] arXiv:1812.03466 [pdf, other]

Title: $\mu_p$- and $\alpha_p$-actions on K3 surfaces in characteristic $p$

Yuya Matsumoto

Comments: 43 pages, comments welcome / v2: Section 6 simplified. Construction of Theorem 7.3(2) changed accordingly. Non-existence of $D_8^1$ and $E_8^1$ moved to arXiv:1907.04686. / v3: Presentation improved. / v4: Added non-existence of $α_p$-actions for $p=13,17,19$. Reorganized Lem 6.3-6.4 according to the change on arXiv:1907.04686. Strengthened Cor 3.5 and Prop 4.1 slightly / v5: Minor revision

Journal-ref: J. Algebraic Geom. 32 (2023), 271-322

Subjects: Algebraic Geometry (math.AG)

[47] arXiv:1812.03538 [pdf, other]

Title: Uniqueness of K-polystable degenerations of Fano varieties

Harold Blum, Chenyang Xu

Comments: v2: minor revisions, to appear in Ann. of Math

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

[48] arXiv:1812.03817 [pdf, other]

Title: Cohomology of the moduli space of non-hyperelliptic genus four curves

Mauro Fortuna

Comments: 27 pages, 4 figures; final version to appear in Annales de l'Institut Fourier

Subjects: Algebraic Geometry (math.AG)

[49] arXiv:1812.03957 [pdf, other]

Title: Nef cone and Seshadri constants on products of projective bundles over curves

Rupam Karmakar, Snehajit Misra

Comments: Final version. To appear in Journal of Ramanujan Mathematical Society

Subjects: Algebraic Geometry (math.AG)

[50] arXiv:1812.03964 [pdf, other]

Title: Periods of Complete Intersection Algebraic Cycles

Roberto Villaflor Loyola

Comments: Final version

Journal-ref: Manuscripta Math., 2021

Subjects: Algebraic Geometry (math.AG)