Exploració per tema "Arithmetical algebraic geometry"
Ara es mostren els items 1-20 de 31
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A Poincaré lemma in geometric quantisation
(2013)
Report de recerca
Accés obertThis paper presents a Poincaré lemma for the Kostant comple x, used to compute geometric quantisation, when the polarisat ion is given by a Lagrangian foliation defined by an integrable system wit h non-degenerate singularities. -
An overlapping domain decomposition method for the solution of parametric elliptic problems via proper generalized decomposition
(Elsevier, 2024-01-01)
Article
Accés obertA non-intrusive proper generalized decomposition (PGD) strategy, coupled with an overlapping domain decomposition (DD) method, is proposed to efficiently construct surrogate models of parametric linear elliptic problems. ... -
Anticyclotomic p-adic L-functions and the exceptional zero phenomenon
(2019-08-15)
Article
Accés obertLet A be a modular elliptic curve over a totally real field F, and let E/F be a totally imaginary quadratic extension. In the event of exceptional zero phenomenon, we prove a formula for the derivative of the multivariable ... -
Beilinson-Flach elements and Euler systems II: p-adic families and the Birch and Swinnerton-Dyer conjecture
(2015-03-23)
Article
Accés obertLet E be an elliptic curve over Q and let % be an odd, irreducible twodimensional Artin representation. This article proves the Birch and Swinnerton-Dyer conjecture in analytic rank zero for the Hasse-WeilArtin L-series ... -
Bielliptic modular curves X-0*(N)
(2020-10-01)
Article
Accés obertLet N = 1 be a integer such that the modular curve X* 0 (N) has genus = 2. We prove that X* 0 (N) is bielliptic exactly for 69 values of N. In particular, we obtain that X* 0 (N) is bielliptic over the base field for all ... -
Bielliptic modular curves X-0*(N) with square-free levels
(2019-11-01)
Article
Accés obertLet N=1 be a square-free integer such that the modular curve X*0(N) has genus =2. We prove that X*0(N) is bielliptic exactly for 19 values of N, and we determine the automorphism group of these bielliptic curves. In ... -
CM cycles on Kuga-Sato varieties over Shimura curves and Selmer groups
(2018)
Article
Accés obertGiven a modular form f of even weight larger than two and an imaginary quadratic field K satisfying a relaxed Heegner hypothesis, we construct a collection of CM cycles on a Kuga–Sato variety over a suitable Shimura curve ... -
Corbes el·líptiques i nombres congrus
(Universitat Politècnica de Catalunya, 2014-07)
Treball Final de Grau
Accés obertEn aquest treball s'estudia el problema dels nombres congrus fent servir la teoria moderna de corbes el·líptiques. -
El teorema de Freiman-Ruzsa en combinatòria aritmètica, i aplicacions
(Universitat Politècnica de Catalunya, 2024-01-19)
Treball Final de Grau
Accés obertEl Teorema de Freiman és possiblement un dels teoremes més important de combinatòria aritmètica inversa: dona l'estructura d'un conjunt d'enters A sota la condició de que el cardinal del conjunt suma A+A sigui petit en ... -
Elliptic Curves and Mazur's Theorem
(Universitat Politècnica de Catalunya, 2020-07)
Projecte Final de Màster Oficial
Accés obertThis paper gives a sketch of proof of Mazur's Theorem classifying the possible rational torsion subgroups of elliptic curves defined over rational numbers. We will prove Mazur's theorem by using two main lemmas. The sketch ... -
Elliptic curves of rank two and generalized Kato classes
(2016-08-24)
Article
Accés obertHeegner points play an outstanding role in the study of the Birch and Swinnerton-Dyer conjecture, providing canonical Mordell–Weil generators whose heights encode first derivatives of the associated Hasse–Weil L-series. ... -
Equations of bielliptic modular curves
(Universitat Politècnica de Catalunya, 2013-07)
Projecte Final de Màster Oficial
Accés obertThis thesis deals primarily with the question of finding equations for bielliptic modular curves of the type $X_{0}(N)$. After introducing the reader to some of the fundamental aspects on the theory modular curves, we ... -
Factorization and Malleability of RSA Moduli, and Counting Points on Elliptic Curves Modulo N
(Multidisciplinary Digital Publishing Institute (MDPI), 2020-11-27)
Article
Accés obertIn this paper we address two different problems related with the factorization of an RSA (Rivest–Shamir–Adleman cryptosystem) modulus N. First we show that factoring is equivalent, in deterministic polynomial time, to ... -
Geomasking through perturbation, or counting points in circles
(2017)
Text en actes de congrés
Accés restringit per política de l'editorialMotivated by a technique in privacy protection, in which n points are randomly perturbed by at most a distance r, we study the following problem: Given n points and m circles in the plane, what is the maximum r such that ... -
Gross-Stark units and p-adic iterated integrals attached to modular forms of weight one
(2016-08-01)
Article
Accés obertThis article can be read as a companion and sequel to the authors’ earlier article on Stark points and p-adic iterated integrals attached to modular forms of weight one, which proposes a conjectural expression for the ... -
Heegner points on Hijikata-Pizer-Shemanske curves and the Birch and Swinnerton-Dyer conjecture
(2018-01-01)
Article
Accés obertWe study Heegner points on elliptic curves, or more generally modular abelian varieties, coming from uniformization by Shimura curves attached to a rather general type of quaternionic orders. We address several questions ... -
Higher dimensional essential minima and equidistribution of cycles
(2022-09-12)
Article
Accés obertThe essential minimum and equidistribution of small points are two well-established interrelated subjects in arithmetic geometry. However, there is lack of an analogue of essential minimum dealing with higher dimensional ... -
L-invariants and Darmon cycles attached to higher weight modular forms
(2012)
Article
Accés obertLet f be a modular eigenform of even weight k=2 and new at a prime p dividing exactly the level with respect to an indefinite quaternion algebra. The theory of Fontaine-Mazur allows to attach to f a monodromy module DFMf ... -
Local points on Shimura coverings of Shimura curves at bad reduction primes
(2016)
Article
Accés obertLet XD be the Shimura curve associated with an indefinite rational quaternion algebra of reduced discriminant D>1. For each prime l|D, there is a natural cyclic Galois covering of Shimura curves XD,l → XD constructed by ... -
Modular abelian varieties over number fields
(2014)
Article
Accés restringit per política de l'editorialThe main result of this paper is a characterization of the abelian varieties B=K defined over Galois number fields with the property that the L-function L(B=K; s) is a product of L-functions of non-CM newforms over Q for ...