Results 11 to 20 of about 1,936,165 (185)

The integral cohomology of the Hilbert scheme of points on a surface

open access: yesForum of Mathematics, Sigma, 2020
We show that if X is a smooth complex projective surface with torsion-free cohomology, then the Hilbert scheme $X^{[n]}$ has torsion-free cohomology for every natural number n.
Burt Totaro
doaj   +3 more sources

Characterizing algebraic curves with infinitely many integral points

open access: yesInternational Journal of Number Theory, 2009
A classical theorem of Siegel asserts that the set of S-integral points of an algebraic curve C over a number field is finite unless C has genus 0 and at most two points at infinity. In this paper we give necessary and sufficient conditions for C to have
Bilu, Yuri   +2 more
core   +4 more sources

Quadruple Best Proximity Points with Applications to Functional and Integral Equations

open access: yesAdvances in Mathematical Physics, 2022
This manuscript is devoted to obtaining a quadruple best proximity point for a cyclic contraction mapping in the setting of ordinary metric spaces. The validity of the theoretical results is also discussed in uniformly convex Banach spaces.
Hasanen A. Hammad   +3 more
doaj   +1 more source

Integral points on Markoff type cubic surfaces [PDF]

open access: yes, 2017
For integers $k$, we consider the affine cubic surface $V_{k}$ given by $M({\bf x})=x_{1}^2 + x_{2}^2 +x_{3}^2 -x_{1}x_{2}x_{3}=k$. We show that for almost all $k$ the Hasse Principle holds, namely that $V_{k}(\mathbb{Z})$ is non-empty if $V_{k}(\mathbb ...
Ghosh, Amit, Sarnak, Peter
core   +2 more sources

Positive kernels, fixed points, and integral equations

open access: yesElectronic Journal of Qualitative Theory of Differential Equations, 2016
There is substantial literature going back to 1965 showing boundedness properties of solutions of the integro-differential equation \[ x'(t) = -\int^t_0 A(t-s) h(s,x(s))ds \] when $A$ is a positive kernel and $h$ is a continuous function using \[ \int ...
Theodore Burton, Ioannis Purnaras
doaj   +1 more source

DGTS: Integrated Typing and Pointing [PDF]

open access: yes, 2009
Human computer ...
Habib, Iman   +5 more
openaire   +2 more sources

Integral points on symmetric varieties and Satake compatifications [PDF]

open access: yes, 2008
Let V be an affine symmetric variety defined over Q. We compute the asymptotic distribution of the angular components of the integral points in V. This distribution is described by a family of invariant measures concentrated on the Satake boundary of V ...
Gorodnik, Alexander   +2 more
core   +4 more sources

Computing The Number of Integral Points in4-dimensional Ball Using Tutte Polynomial [PDF]

open access: yesEngineering and Technology Journal, 2015
In recent years, the uses of high dimensional appear in a large and a lot of applications appearwithin it. So, we study these applications and take one of them that play a central role in the factoring of prime number which is an application especially ...
Shatha Assaad Salman Al-Najjar
doaj   +1 more source

Integration with Stochastic Point Processes [PDF]

open access: yesACM Transactions on Graphics, 2016
We present a novel comprehensive approach for studying error in integral estimation with point distributions based on point process statistics. We derive exact formulae for bias and variance of integral estimates in terms of the spatial or spectral characteristics of integrands and first- and-second order product density measures of general point ...
openaire   +1 more source

THE INTEGRAL COHOMOLOGY OF THE HILBERT SCHEME OF TWO POINTS

open access: yesForum of Mathematics, Sigma, 2016
The Hilbert scheme $X^{[a]}$ of points on a complex manifold $X$
BURT TOTARO
doaj   +1 more source

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