Results 11 to 20 of about 3,155 (247)

Approximation of Minimal Functions by Extreme Functions [PDF]

open access: yesSIAM Journal on Optimization, 2018
In a recent paper, Basu, Hildebrand, and Molinaro established that the set of continuous minimal functions for the 1-dimensional Gomory-Johnson infinite group relaxation possesses a dense subset of extreme functions. The $n$-dimensional version of this result was left as an open question.
Lebair, Teresa M., Basu, Amitabh
openaire   +3 more sources

Thermodynamics and weak cosmic censorship conjecture in Reissner-Nordström anti-de Sitter black holes with scalar field

open access: yesNuclear Physics B, 2019
The thermodynamics and weak cosmic censorship conjecture in Reissner-Nordström anti-de Sitter black holes are investigated by the scattering of the scalar field.
Deyou Chen, Wei Yang, Xiaoxiong Zeng
doaj   +1 more source

Theorem on the Structure of the Fractionally Linear Functional Extremal Function

open access: yesMathematics, 2023
The paper proves a theorem about the structure of the distribution function on which the extremum of the fractionally linear functional is reached in the presence of an uncountable number of linear constraints.
Victor Kashtanov   +2 more
doaj   +1 more source

On Witten’s Extremal Partition Functions [PDF]

open access: yesAnnals of Combinatorics, 2019
8 ...
Ono, Ken, Rolen, Larry
openaire   +3 more sources

Characterizing extremal coefficient functions and extremal correlation functions

open access: yes, 2012
We focus on two dependency quantities of a max-stable random field $X$ on some space $T$: the extremal coefficient function $ $ which we define on finite sets of $T$ and the extremal correlation function $ (s,t)=\lim_{x \uparrow \infty} \PP(X_s \geq x \mid X_t \geq x)$.
Strokorb, Kirstin, Schlather, Martin
openaire   +4 more sources

Extremal orders of some functions connected to regular integers modulo n

open access: yesAnalele Stiintifice ale Universitatii Ovidius Constanta: Seria Matematica, 2013
Let V (n) denote the number of positive regular integers (mod n) less than or equal to n. We give extremal orders of , , , , where σ(n), ψ(n) are the sum-of-divisors function and the Dedekind function, respectively. We also give extremal orders for and ,
Brăduţ Apostol
doaj   +1 more source

An extremal harmonic function [PDF]

open access: yesProceedings of the American Mathematical Society, 1969
surface 3x=h-'(X) and D(u; X) for the Dirichlet integral over the region ix bounded by a and fi. The main result of this paper is the inequality: maxhJ|Qx=m(h; X)=D(h; X)
openaire   +1 more source

On some interconnections between combinatorial optimization and extremal graph theory [PDF]

open access: yesYugoslav Journal of Operations Research, 2004
The uniting feature of combinatorial optimization and extremal graph theory is that in both areas one should find extrema of a function defined in most cases on a finite set.
Cvetković Dragoš M.   +2 more
doaj   +1 more source

Approximation by Extreme Functions

open access: yesJournal of Approximation Theory, 1999
For a topological space \(T\) and a real normed space \(X\) let \(Y= C(T,X)\), the normed space of all \(X\)-valued bounded continuous functions on \(T\) endowed with the supremum norm. Let \(Y^{-1}=\{f\in Y:f\) does not vanish in any \(t\in T\}\). For \(f\in Y\), let \(\alpha(f)= d(f,Y^{-1})\) and let \(m(f)= \inf \{\|f(t)\|: t\in T\}\).
Jiménez-Vargas, A   +2 more
openaire   +2 more sources

Time Eigenstates for Potential Functions without Extremal Points

open access: yesEntropy, 2013
In a previous paper, we introduced a way to generate a time coordinate system for classical and quantum systems when the potential function has extremal points.
Gabino Torres-Vega
doaj   +1 more source

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