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We verify Green's conjecture for a generic $k$-gonal curve of genus $g$, for $g\geq k(k-1)/2$.

Algebraic Geometry · Mathematics 2013-11-19 Marian Aprodu

For X a compact Riemann surface of positive genus, the strange duality conjecture predicts that the space of sections of certain theta bundle on moduli of bundles of rank r and level k is naturally dual to a similar space of sections of…

Algebraic Geometry · Mathematics 2007-05-23 Prakash Belkale

Using $p$-adic local Langlands correspondence for $\operatorname{GL}_2(\mathbb{Q}_2)$ and an ordinary $R = \mathbb{T}$ theorem, we prove that the support of patched modules for quaternionic forms meet every irreducible component of the…

Number Theory · Mathematics 2021-03-23 Shen-Ning Tung

In this work, we relate girth and path-degeneracy in classes with sub-exponential expansion, with explicit bounds for classes with polynomial expansion and proper minor-closed classes that are tight up to a constant factor (and tight up to…

Combinatorics · Mathematics 2025-03-25 Y. Lin , P. Ossona de Mendez

We consider the generic Green conjecture on syzygies of a canonical curve, and particularly the following reformulation thereof: {\it For a smooth projective curve $C$ of genus $g$ in characteristic 0, the condition ${\rm Cliff} C>l$ is…

Rings and Algebras · Mathematics 2015-08-14 Claire Voisin

The Grassmann convexity conjecture gives a conjectural formula for the maximal total number of real zeros of the consecutive Wronskians of an arbitrary fundamental solution to a disconjugate linear ordinary differential equation with real…

Classical Analysis and ODEs · Mathematics 2021-10-15 Nicolau C. Saldanha , Boris Shapiro , Michael Shapiro

The Grothendieck-Serre conjecture predicts that every generically trivial torsor under a reductive group $G$ over a regular semilocal ring $R$ is trivial. We establish this for unramified $R$ granted that $G^{\mathrm{ad}}$ is totally…

Algebraic Geometry · Mathematics 2025-11-24 Kestutis Cesnavicius , Roman Fedorov

Let p$\ge$2 be a given prime number. We prove, for any number field kappa and any integer e$\ge$1, the p-rank $\epsilon$-conjecture, on the p-class groups Cl\_F, for the family F\_kappa^p^e of towers F/kappa built as successive degree p…

Number Theory · Mathematics 2022-08-08 Georges Gras

Given a submanifold Z inside X, let Y be the blow-up of X along Z. When the normal bundle of Z in X is convex with a minor assumption, we prove that genus-zero GW-invariants of Y with cohomology insertions from X, are identical to…

Algebraic Geometry · Mathematics 2014-11-11 Hsin-Hong Lai

Using Moriwaki's calculation of the Q-Picard group for the moduli space of curves, I prove the strong Franchetta Conjecture in all characteristics. That is, the canonical class generates the group of rational points on the Picard scheme for…

Algebraic Geometry · Mathematics 2007-05-23 Stefan Schroeer

We prove a structure theorem for the Gromov-Witten invariants of compact Kahler surfaces with geometric genus $p_g>0$. Under the technical assumption that there is a canonical divisor that is a disjoint union of smooth components, the…

Symplectic Geometry · Mathematics 2007-05-23 Junho Lee , Thomas H. Parker

In this article, we aim to largely complete the program of proving the Tate conjecture for surfaces of geometric genus one, by introducing techniques to analyze those surfaces whose "natural models" are singular. As an application, we show…

Algebraic Geometry · Mathematics 2025-06-12 Haoyang Guo , Ziquan Yang

We prove that any \(2\)-connected graph \(G\) on \(n\) vertices with minimum degree \(\delta(G) \ge \frac{n}{4}+2\) contains a \(2\)-connected subgraph of order \(k\) for every integer \(k\) with \(4 \le k \le n\). This improves a previous…

Combinatorics · Mathematics 2026-03-13 Haiyang Liu , Bo Ning

It is a longstanding conjecture that for a finite group $G$, the exponent of the second homology group $H_2(G, \mathbb{Z})$ divides the exponent of $G$. In this paper, we prove this conjecture for $p$-groups of class at most $p$, finite…

Group Theory · Mathematics 2020-05-05 Ammu E Antony , Komma Patali , Viji Z Thomas

Let F and G be homogeneous polynomials in disjoint sets of variables. We prove that the Waring rank is additive, thus proving the symmetric Strassen conjecture, when either F or G is a power, or F and G have two variables, or either F or G…

Algebraic Geometry · Mathematics 2014-05-16 Enrico Carlini , Maria Virginia Catalisano , Luca Chiantini

A rough structure theorem is proved for graphs $G$ containing no copy of a bounded degree tree $T$: from any such $G$, one can delete $o(|G||T|)$ edges in order to get a subgraph all of whose connected components have a cover of order…

Combinatorics · Mathematics 2024-09-24 Alexey Pokrovskiy

This paper performs the following steps toward the proof of GLC in the de Rham setting: (i) We deduce GLC for G=GL_n; (ii) We prove that the Langlands functor L_G constructed in [GLC1], when restricted to the cuspidal category, is…

Algebraic Geometry · Mathematics 2024-09-16 D. Arinkin , D. Beraldo , L. Chen , J. Faergeman , D. Gaitsgory , K. Lin , S. Raskin , N. Rozenblyum

We added an additional result (theorem 1.6) that strengthenns our main theorem in the G=GL-case by establishing an equivalence of tensor categories.

alg-geom · Mathematics 2008-02-03 Vladimir Baranovsky , Victor Ginzburg

The conjecture of Serre referred in the title is the one about modularity of odd Galois representations into GL(2,F) where F is a finite field of characteristic p. We present an analogous conjecture where GL(2) is replaced by GL(n). We…

Number Theory · Mathematics 2007-05-23 Avner Ash , Warren Sinnott

Let F be a p-adic field and let G(n) and G`(n) be the metaplectic double covers of the general symplectic group and symplectic group attached to a 2n dimensional symplectic space over F. We show here that if n is odd then all the genuine…

Number Theory · Mathematics 2016-11-26 Dani Szpruch