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We prove a local-global principle for torsors under the prosolvable geometric fundamental group of an affine curve over a number field.

Number Theory · Mathematics 2021-10-01 Mohamed Saidi

A simple MATLAB implementation of hierarchical shape functions on 2D rectangles is explained and available for download. Global shape functions are ordered for a given polynomial degree according to the indices of the nodes, edges, or…

Mathematical Software · Computer Science 2022-05-17 Alexej Moskovka , Jan Valdman

We present new constructions of complex and p-adic Darmon points on elliptic curves over base fields of arbitrary signature. We conjecture that these points are global and present numerical evidence to support our conjecture.

Number Theory · Mathematics 2017-05-17 Xavier Guitart , Marc Masdeu , Mehmet Haluk Sengun

We prove a local-global principle for torsors under the prosolvable geometric fundamental group of a hyperbolic curve over a number field.

Number Theory · Mathematics 2015-10-26 Mohamed Saidi

We give an alternative approach to the computation of the dimension of the tangent space of the deformation space of curves with automorphisms. A homological version of the local-global principle similar to the one of J.Bertin, A. M\'ezard…

Algebraic Geometry · Mathematics 2007-05-23 Aristides Kontogeorgis

This is an introduction to topology of complement to plane curves and hypersurfaces in the projective space and is based on the lectures given in Lumini in February and in ICTP (Trieste) in August of 2005. We discuss key problems concerning…

Algebraic Geometry · Mathematics 2007-05-23 A. Libgober

We propose a homology theory for locally compact spaces with ends in which the ends play a special role. The approach is motivated by results for graphs with ends, where it has been highly successful. But it was unclear how the original…

Algebraic Topology · Mathematics 2011-05-26 Reinhard Diestel , Philipp Sprüssel

We describe recent work on the arithmetic properties of moduli spaces of stable vector bundles and stable parabolic bundles on a curve over a global field. In particular, we describe a connection between the period-index problem for Brauer…

Algebraic Geometry · Mathematics 2018-06-18 Max Lieblich

We propose a p-adic version of Duke's Theorem on the equidistribution of closed geodesics on modular curves. Our approach concerns quadratic fields split at p as well as a p-adic covering of the modular curve. We also prove an…

Number Theory · Mathematics 2024-05-28 Patricio Pérez-Piña

This paper proves local-global principles for Galois cohomology groups over function fields $F$ of curves that are defined over a complete discretely valued field. We show in particular that such principles hold for $H^n(F, Z/mZ(n-1))$, for…

Number Theory · Mathematics 2013-04-11 David Harbater , Julia Hartmann , Daniel Krashen

Motivated by applications in point counting algorithms using p-adic cohomology, we give an explicit description of integral lattices in rigid cohomology spaces that p-adically approximate logarithmic crystalline cohomology modules. These…

Number Theory · Mathematics 2011-10-19 George M. Walker

We prove that a (globally) subanalytic p-adic function which is locally Lipschitz continuous with some constant C is piecewise (globally on each piece) Lipschitz continuous with possibly some other constant, where the pieces can be taken…

Algebraic Geometry · Mathematics 2011-01-28 R. Cluckers , G. Comte , F. Loeser

This paper, which is a summary (in which considerable creative license has been taken) of the author's talk at the sixth international conference on $p$-adic mathematical physics and its applications (CINVESTAV, Mexico City, October 2017),…

High Energy Physics - Theory · Physics 2018-01-17 Ingmar Saberi

In this article, we study the obstructions to the local-global principle for homogeneous spaces with connected or abelian stabilizers over finite extensions of the field $\mathbb{C}((x,y))$ of Laurent series in two variables over the…

Algebraic Geometry · Mathematics 2022-06-13 Diego Izquierdo , Giancarlo Lucchini Arteche

This is an exposition of facts about p-local spectra, p-complete spectra and modules over the p-complete sphere spectrum, including homological criteria for finiteness. Most things are well-known to the experts, with a couple of potential…

Algebraic Topology · Mathematics 2024-12-13 Neil Strickland

We prove the existence of non-classical $p$-adic automorphic eigenforms associated to a classical system of eigenvalues on definite unitary groups in $3$ variables. These eigenforms are associated to Galois representations which are…

Number Theory · Mathematics 2024-06-04 Eugen Hellmann , Valentin Hernandez , Benjamin Schraen

We define and investigate a family of local-global principles for fields involving both orderings and p-valuations. This family contains the PAC, PRC and PpC fields and exhausts the class of pseudo classically closed fields. We show that…

Logic · Mathematics 2014-08-20 Arno Fehm

We present a new construction of the p-adic local Langlands correspondence for GL(2, Q_p) via the patching method of Taylor--Wiles and Kisin. This construction sheds light on the relationship between the various other approaches to both the…

Number Theory · Mathematics 2019-02-20 Ana Caraiani , Matthew Emerton , Toby Gee , David Geraghty , Vytautas Paskunas , Sug Woo Shin

We propose a conjectural construction of global points on modular elliptic curves over arbitrary number fields, generalizing both the p-adic construction of Heegner points via Cerednik-Drinfeld uniformization and the definition of classical…

Number Theory · Mathematics 2021-04-27 Michele Fornea , Lennart Gehrmann

In this note I generalize the classical results of Calabi-Vesentini to certain non-compact locally symmetric domains, namely those that are quotients of a hermitian symmetric domain by a neat arithmetic subgroup of the group of its…

Algebraic Geometry · Mathematics 2017-04-12 Chris Peters