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We fix a counting function of multiplicities of algebraic points in a projective hypersurface over a number field, and take the sum over all algebraic points of bounded height and fixed degree. An upper bound for the sum with respect to…

Algebraic Geometry · Mathematics 2021-01-22 Hao Wen , Chunhui Liu

In this paper, we study one-dimensional boundary blow up problems with Kirchhoff type nonlocal terms on an interval. We perform a bifurcation analysis on the problems and obtain the precise number of solutions according to the value of the…

Analysis of PDEs · Mathematics 2024-11-27 Kazuki Sato , Futoshi Takahashi

In this article, we study the local existence of solutions for a wave equation with a nonlocal in time nonlinearity. Moreover, a blow-up results are proved under some conditions on the dimensional space, the initial data and the nonlinear…

Analysis of PDEs · Mathematics 2010-08-26 Ahmad Fino , Mokhtar Kirane , Vladimir Georgiev

We give an asymptotic formula for the number of elliptic curves over $\mathbb{Q}$ with bounded Faltings height. Silverman has shown that the Faltings height for elliptic curves over number fields can be expressed in terms of modular…

Number Theory · Mathematics 2016-02-18 Ruthi Hortsch

The characteristic numbers of smooth plane quartics are computed using intersection theory on a component of the moduli space of stable maps. This completes the verification of Zeuthen's prediction of characteristic numbers of smooth plane…

Algebraic Geometry · Mathematics 2007-05-23 Ravi Vakil

We describe a general algorithm for computing intersection pairings on arithmetic surfaces. We have implemented our algorithm for curves over $\mathbb Q$, and we show how to use it to compute regulators for a number of Jacobians of smooth…

Number Theory · Mathematics 2019-04-04 Raymond van Bommel , David Holmes , J. Steffen Müller

We study the possibility of finite-time blow-up for a two dimensional Broadwell model. In a set of rescaled variables, we prove that no self-similar blow-up solution exists, and derive some a priori bounds on the blow-up rate. In the final…

Analysis of PDEs · Mathematics 2007-05-23 Alberto Bressan , Massimo Fonte

Let $\mathbb F_{q^2}$ be the finite field with $q^2$ elements. We provide a simple and effective method, using reciprocal polynomials, for the construction of algebraic curves over $\mathbb F_{q^2}$ with many rational points. The curves…

Number Theory · Mathematics 2021-10-22 Rohit Gupta , Erik A. R. Mendoza , Luciane Quoos

Using the Semple bundle construction, we derive an intersection-theoretic formula for the number of simultaneous contacts of specified orders between members of a generic family of degree $d$ plane curves and finitely many fixed curves. The…

alg-geom · Mathematics 2008-02-03 Susan Jane Colley , Gary Kennedy

Given a graph G (or more generally a matroid embedded in a projective space), we construct a sequence of varieties whose geometry encodes combinatorial information about G. For example, the chromatic polynomial of G (giving at each m>0 the…

alg-geom · Mathematics 2012-04-10 Paolo Aluffi

In the present paper, we focus on a weighted version of the Bounded Negativity Conjecture which predicts that for every smooth projective surface in characteristic zero the self-intersection numbers of reduced and irreducible curves are…

Algebraic Geometry · Mathematics 2021-04-21 Roberto Laface , Piotr Pokora

There is presented an algorithm for computing the topological degree for a large class of polynomial mappings. As an application there is given an effective algebraic formula for the intersection number of a polynomial immersion M --> R^2m,…

Algebraic Geometry · Mathematics 2008-07-14 Iwona Karolkiewicz , Aleksandra Nowel , Zbigniew Szafraniec

We introduce polynomial couplings, a generalization of probabilistic couplings, to develop an algorithm for the computation of equivalence relations which can be interpreted as a lifting of probabilistic bisimulation to polynomial…

Logic in Computer Science · Computer Science 2021-04-28 Giorgio Bacci , Giovanni Bacci , Kim G. Larsen , Mirco Tribastone , Max Tschaikowski , Andrea Vandin

We outline a strategy for computing intersection numbers on smooth varieties with torus actions using a residue formula of Bott. As an example, Gromov-Witten numbers of twisted cubic and elliptic quartic curves on some general complete…

alg-geom · Mathematics 2008-02-03 G. Ellingsrud , S. A. Strømme

The paper is an introduction to the use of the classical Newton-Puiseux procedure, oriented to an algorithmic description of it. This procedure enables to get polynomial approximations for parameterizations of branches of an algebraic plane…

Algebraic Geometry · Mathematics 2022-06-14 Stefano Canino , Alessandro Gimigliano , Monica Idà

In this paper, we study a nonlocal boundary blow up problem on an interval and obtain the precise asymptotic formula for solutions when the bifurcation parameter in the problem is large.

Analysis of PDEs · Mathematics 2024-09-17 Taketo Inaba , Futoshi Takahashi

We prove the finiteness of the number of blow-analytic equivalence classes of embedded plane curve germs for any fixed number of branches and for any fixed value of $\mu'$ ---a combinatorial invariant coming from the dual graphs of good…

Algebraic Geometry · Mathematics 2014-09-01 Cristina Valle

The article provides upper bounds for the blow-up time of a system of fractional differential equations in the Caputo sense. Furthermore, concrete examples of blow-up time estimation are given using a numerical algorithm of the…

Classical Analysis and ODEs · Mathematics 2023-10-23 José Villa-Morales

We describe a new approach to the Schubert calculus on complete flag varieties using the volume polynomial associated with Gelfand-Zetlin polytopes. This approach allows us to compute the intersection products of Schubert cycles by…

Algebraic Geometry · Mathematics 2013-01-18 Valentina Kiritchenko , Evgeny Smirnov , Vladlen Timorin

In this paper, we give a quantum algorithm which solves collision problem in an expected polynomial time. Especially, when the function is two-to-one, we present a quantum algorithm which can find a collision with certainty in a worst-case…

Quantum Physics · Physics 2008-02-03 Dong Pyo Chi , Jinsoo Kim