プレプリどんどん: math.AG

arXiv math.AGの新着論文15本をご紹介します。

番組ページ: https://prepridondon.nyoho.jp/channels/math-ag/episodes/2026-05-14/

1. Notes on Lie derivatives, algebraic D-varieties, and Ax's theorem
2. Orbits of subgroups of codimension one to four of the Iwahori group in the affine flag variety of $\text{SL}_2$
3. Tautological modular forms of level two and degree two
4. Remarks on diagonal dimension for algebraic stacks
5. Quadratic Euler Characteristic of Geometrically Cyclic Branched Coverings
6. On Ramanujam's Theorem About Finite Fimensional Groups of Automorphisms
7. Solvable Automorphism Groups of Varieties
8. Infinitesimal automorphisms and obstruction theory on the moduli of $L$-valued $G$-Higgs bundles
9. Euclidean distance degree defect of singular projective varieties
10. A Derived Legendrian Category for Shifted Contact Stacks
11. Tilt-stability on singular schemes and Bogomolov-Gieseker-type inequalities
12. Graphs of Hecke operators in mixed ramification
13. Componentwise height bounds for polynomial value-set lifting
14. Semi-interlaced polytopes
15. Strategic PAC Learnability via Geometric Definability

arXiv math.AGの新着論文16本をご紹介します。

番組ページ: https://prepridondon.nyoho.jp/channels/math-ag/episodes/2026-05-13/

1. Theta functions for singular curves
2. Functoriality of logarithmic Hochschild homology of log smooth pairs
3. Evaluation codes from linear systems of conics
4. Automorphism Groups of Reductive and Root Monoids
5. Geometric Construction of the McKay-Slodowy Correspondence
6. The equivariant Milnor-Witt motive of $\overline{\mathcal{M}}_{1,2}$
7. K-theory of Gieseker variety and type A cyclotomic Hecke algebra
8. Positive Geometries from Cubic Surfaces
9. Double Veronese cones with singularities
10. Representations of Reeb spaces via simplified graphs and examples
11. The real Jacobian conjecture for maps with one component having degree 6
12. Symmetry in Equivariant cohomology of $\mathbb{P}^n$
13. The 2-part of the Bloch-Kato conjecture, and indivisibility results, for $K_2$ of some elliptic curves
14. Infinitesimal random dynamics of certain Veech groups on SU(2)-character varieties
15. Local height arguments toward the dynamical Mordell-Lang conjecture
16. Condensed Mathematics and Complex Geometry

arXiv math.AGの新着論文28本をご紹介します。

番組ページ: https://prepridondon.nyoho.jp/channels/math-ag/episodes/2026-05-12/

1. Equivariant Quotients of Derived Symplectic Spaces and Legendrian Intersection Theorem
2. Equisingularity in families of double point curves
3. Kodaira dimension of algebraic fiber spaces over threefolds : Part 1
4. Refined obstructions to local-global principles for 0-cycles
5. Merge-position invariance in quadratically enriched tropical floor diagrams
6. A curve and its abstract generalized Jacobian
7. Generic vector fields on isolated complex hypersurface germs
8. On the tangent degree and the degree of the tangent variety of a projective variety
9. Refined lattice point counting on the moduli space of Klein surfaces
10. The equations of general Hassett maximal cubic fourfolds
11. Plane rectifiable curves: old and new
12. Grothendieck Weights on Permutohedral Varieties and Matroids
13. Centralizers of the complex orthogonal and symplectic group
14. Geometric Shafarevich boundedness conjecture for families of polarized varieties
15. Homological sieve and Manin's conjecture
16. Quasi-Projective Moduli for Polarized klt Good Minimal Models
17. Polarized cylinders on blow-ups of weighted projective planes
18. On Galois categories and condensed contractible schemes
19. Two-dimensional Virasoro algebras
20. Canonical forms and moment-generating functions of plane polypols
21. Some remarks on degeneracy of tridimensional tensors
22. On coupled K\"ahler-Einstein metrics and weighted solitons on Fano manifolds
23. Non-$R$-trivial proper projective similitudes in type $A_3\equiv D_3$
24. Rational points on smooth surfaces in $\mathbb{P}^3$ over finite fields
25. Highly connected non-formal Milnor fibers via polyhedral products
26. Minimal Filling Architectures of Polynomial Neural Networks: Counterexamples, Frontier Search, and Defects
27. Symplectic log Kodaira dimension $-\infty$, Hirzebruch--Jung strings and weighted projective planes
28. Middle convolution for Lie algebra representations

arXiv math.AGの新着論文17本をご紹介します。

番組ページ: https://prepridondon.nyoho.jp/channels/math-ag/episodes/2026-05-11/

1. Corrigendum to `Evaluation of motivic functions, non-nullity, and integrability in fibers', Advances in Mathematics, Vol. 409, Part A, Paper No. 108635, 29 pages, doi:10.1016/j.aim.2022.108635 (2022)
2. The Local Bourbaki Degree of a Plane Projective Curve
3. Weight of the De Rham-Betti Structures of Abelian Varieties
4. The Structure of $C^\infty$-Superschemes
5. Modularity of Feynman Integrals and Factorization of Appell F2 Systems
6. Geometry of weak contact conics to irreducible quartics with 2 nodes and 1 cusp via rational elliptic surfaces and Zariski pairs
7. The Isomorphism Classes of the Surfaces $x_1^{a_1} + x_2^{a_2} + x_3^{a_3} + 1 = 0$
8. Relative $\mathbb{A}^1$-Contractibility of Smooth Schemes
9. Root bounds of vertical systems using tropical geometry
10. Homogeneous pre-foliations of co-degree one and degree four on the projective plane
11. Adjoint test modules along Cohen--Macaulay morphisms
12. Tensor product surfaces and graded syzygies
13. On Bands and Limit Theorems in Tropical Geometry
14. Finite order symplectic birational self-maps on Kummer-type manifolds
15. Analytical solutions for some quadratic ODEs found via linear rational eigenfunctions and the rational eigenfunction variety
16. Genus drop involving non-hyperelliptic curves in Feynman integrals
17. Asymptotics of small eigenvalues on degenerations of K\"ahler manifolds

arXiv math.AGの新着論文13本をご紹介します。

番組ページ: https://prepridondon.nyoho.jp/channels/math-ag/episodes/2026-05-08/

1. On Brauer groups of known Enriques manifolds
2. On the cohomological purity of the affine Springer fibers
3. The minimal volume of stable surfaces of rank one
4. Geography and Deformations of $\mathbb{Z}_2^s$-Covers of General Type Over Weighted Projective Threefolds
5. Thom-Sebastiani Theorem for Hodge Modules
6. The Ciliberto-Di Gennaro conjecture for $d=5$
7. A two-step approach to Chow quotients
8. On a generalized Poincar\'e series of plane valuations
9. An explicit formula for the Artin invariant of smooth K3 hypersurfaces
10. Rational homology disk degenerations of elliptic surfaces
11. A Structure Sheaf for Kirch Topology
12. Revised Demailly's Affineness Criterion and Algebraization of Entire Grauert Tubes
13. Bulk-deformations, Floer complex bordism, and Grothendieck-Riemann-Roch

arXiv math.AGの新着論文15本をご紹介します。

番組ページ: https://prepridondon.nyoho.jp/channels/math-ag/episodes/2026-05-07/

1. \'Etale Extensions of Unipotent Torsors
2. Tropical resolutions of configuration hypersurfaces
3. Smoothing low-dimensional cycles in algebraic cobordism
4. Local isomorphisms for families of projective non-unruled manifolds
5. Stability conditions and infinitesimal deformation of curves
6. On Waring rank jumps via critical rank-one approximations
7. The McKay correspondence and local heights for wild-by-tame split metacyclic groups
8. Geometry of multilinear varieties over infinite fields and its applications
9. A low-valence ribbon graph complex computing the cohomology of $M_{g,m}$
10. Nonlinearizable embeddings of elliptic curves in rational surfaces
11. On the biggest purely non-free conformal actions on compact Riemann surfaces and their asymptotic properties
12. Rigid homotopies for sampling from algebraic varieties: a Waring structure complexity model
13. $\mathbb{G}_m$-cohomology of $p$-adic Stein spaces
14. On Minimum CADs for Algebraic Sets in Dimension Three
15. Multiplicative $f$-ic forms on algebraic varieties arising from Thaine's generalized Jacobi sums

arXiv math.AGの新着論文18本をご紹介します。

番組ページ: https://prepridondon.nyoho.jp/channels/math-ag/episodes/2026-05-06/

1. Bures Geodesics and Restricted Barycenters for Kronecker Positive Definite Matrices
2. Support theorem of universal compactified Jacobians
3. Gaiotto Loci and the Nilpotent Cone for $\mathrm{Sp}_{2n}(\mathbb C)$
4. Theorems of Bertini and Chevalley
5. Formal moduli and the splitting theory of supermanifolds
6. Real approximation for homogeneous spaces with finite stabilizers
7. Spectral correspondence for cyclic Higgs bundles
8. Twisted cohomology on algebraic and analytic varieties
9. Lectures on Analytic Geometry
10. Birational Classification of Orbifold Compactified Jacobians
11. Equivariant intermediate Jacobians and intersections of two quadrics
12. Some Taylor varieties with null Hessian
13. A connection between minimal nilpotent orbits of types A and D via Hamiltonian reduction
14. Infinitesimal characters for the completed cohomology of $\mathrm{GL}_n$ over CM fields
15. Open-closed Deligne-Mumford field theories: construction
16. Characteristic-free approaches around Yu's construction
17. Lectures on Condensed Mathematics
18. Dimer models on astroidal zig-zag graphs

arXiv math.AGの新着論文26本をご紹介します。

番組ページ: https://prepridondon.nyoho.jp/channels/math-ag/episodes/2026-05-05/

1. Weierstrass semigroups and the order bound
2. Combinatorial Nonresonance Theorems for Hyperplane Arrangement Complements
3. Defect Triangles and Intersection-Space Hodge Atom Shadows for Calabi--Yau Conifolds
4. Equivariant sheaves on toric prevarieties
5. Veronese Avoiding Hypersurfaces
6. An algorithmic reduction to canonical forms for vector bundles on anisotropic conics
7. An Orlov theorem for matrix factorizations with multiple factors
8. Fixed point locus of Moduli spaces of Sheaves on Toric DM stacks
9. Homotopy coherent Gysin functoriality
10. Tropical Degenerations of Network Games:Valuation Classes and Equilibrium Coalescence
11. Flat Cohomological Purity for Syntomic Schemes over Valuation Rings
12. From Diaz's Enriques Product to an $n$-Fold Cup-Product Bockstein Family of Integral Hodge Counterexamples
13. Projective connections on super Heisenberg coinvariants. I
14. The Algebraic Boundary of Graph Elliptopes
15. Deligne-Lusztig varieties whose canonical divisors have negativity
16. Anabelian geometry for Deligne-Mumford curves
17. Twisting Higgs Modules and Functorial Aspects of the p-adic Simpson Correspondence
18. From Finite-Node Conifold Geometry to BPS Structures III: Mediated Triangle Transport and Graded Interaction Data
19. Birational invariance of higher Amitsur groups
20. $K$-holomorphic functions with definable real part
21. Generic Irreducibility of Bloch Varieties for Periodic Graph Operators
22. Toric Schubert Varieties in Partial Flag Varieties
23. Higher-Order Flexible Configurations of Planar Parallel Manipulators Constructed by Averaging
24. Random dynamics of plane polynomial automorphisms
25. Accessibility and Gorenstein injective envelopes
26. Generalized Kontsevich model, topological recursion, and $r$-spin theory

arXiv math.AGの新着論文13本をご紹介します。

番組ページ: https://prepridondon.nyoho.jp/channels/math-ag/episodes/2026-05-04/

1. Cylinders and the zero locus of the plinth ideal
2. Stable Wild Vafa-Witten Bundles on the Projective Plane
3. On logarithmic Poisson cohomology of a degenerate Poisson bivector in affine plane
4. The logarithmic leaf complex and foliated d-semistability
5. The GIT Boundary of Quintic Threefolds (Announcement of Results)
6. Torsion Trajectories from Local Discriminants to Global Obstructions
7. Valuative independence and metric SYZ conjecture
8. A new family of weighted double Hurwitz numbers and a new ELSV-type formula with $\Omega$-classes
9. Delta characters and crystalline cohomology of abelian schemes
10. Trace ideals of exterior powers of the module of differentials
11. The Hurwitz sum-of-squares problem depends on the base field
12. Curves on surfaces and moduli of associative algebras
13. A note on Zilber-Pink in $Y(1)^n$

arXiv math.AGの新着論文17本をご紹介します。

番組ページ: https://prepridondon.nyoho.jp/channels/math-ag/episodes/2026-05-01/

1. Characterization of non-special divisors of small degree on Kummer extensions and LCP codes
2. Hodge theory and K-stability of some very symmetric hypersurfaces
3. Triangulation of Points Constrained to a Plane
4. Perfectoid splitting and global $+$-regularity for smooth hypersurfaces
5. Constructibility aspects of the cone conjecture
6. Noncommutative Quillen-Lichtenbaum Conjecture
7. On the normalized local volume of a non-closed point
8. Torus Equivariant Cohomology for the $\Delta$-Springer Fiber
9. Structural properties of Bia{\l}ynicki-Birula decompositions
10. Towards Bigness equivalence
11. Valuative independence for Calabi--Yau varieties
12. Failure of the semi log canonical Abundance for compact K\"{a}hler threefolds
13. Mod p Monodromy of Cyclic Covers of the Projective Line
14. Holomorphic Jet Modules and Holomorphic Connections for Noncommutative Complex Curves
15. Vertex Posets, Monotone Path Polytopes, and Chow Polynomials
16. Monodromy action of mirror stops for toric Calabi-Yau surfaces
17. A torsion-intersection proof of perfect-cuboid nonexistence on 1,072 explicit master-tuple fibers