Results 21 to 30 of about 6,047 (304)

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

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

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

Robin functions and extremal functions [PDF]

open access: yesAnnales Polonici Mathematici, 2003
Let \(L\) denote the set of plurisubharmonic functions \(u\) on \(\mathbb C^n\) of logarithmic growth, that is \(u(z) \leq \text{log }^+|z|+C\). For a bounded Borel set \(E\) in \(\mathbb C^n\), define \(V_E(z) = \sup\{u(z): u\in L, u\leq 0 \text{ on } E\}\).
Bloom, T., Levenberg, N., Ma'u, S.
openaire   +2 more sources

Functional extreme learning machine

open access: yesFrontiers in Computational Neuroscience, 2023
IntroductionExtreme learning machine (ELM) is a training algorithm for single hidden layer feedforward neural network (SLFN), which converges much faster than traditional methods and yields promising performance. However, the ELM also has some shortcomings, such as structure selection, overfitting and low generalization performance.MethodsThis article ...
Xianli Liu   +6 more
openaire   +3 more sources

Equivalence of JT gravity and near-extremal black hole dynamics in higher derivative theory

open access: yesJournal of High Energy Physics, 2022
Two derivative Jackiw-Teitelboim (JT) gravity theory captures the near-horizon dynamics of higher dimensional near-extremal black holes, which is governed by a Schwarzian action at the boundary in the near-horizon region.
Nabamita Banerjee   +3 more
doaj   +1 more source

The extremal function for K9= minors [PDF]

open access: yesJournal of Graph Theory, 2019
AbstractWe prove the extremal function for minors, where denotes the complete graph with two edges removed. In particular, we show that any graph with vertices and at least edges either contains a minor or is isomorphic to a graph obtained from disjoint copies of and by identifying cliques of size 5.
openaire   +2 more sources

Aspects of Topological String Theory [PDF]

open access: yes, 2008
Two aspects of the topological string and its applications are considered in this thesis. Firstly, non-perturbative contributions to the OSV conjecture relating four-dimensional extremal black holes and the closed topological string partition function ...
Cook, Paul Langabi Hogan
core   +1 more source

Revisiting leading quantum corrections to near extremal black hole thermodynamics

open access: yesJournal of High Energy Physics, 2023
Computing the 4D Euclidean path integral to one-loop order we find the large quantum corrections that govern the behavior of a spherically symmetric non-supersymmetric near-extremal black hole at very low temperature.
Nabamita Banerjee, Muktajyoti Saha
doaj   +1 more source

A weighted extremal function and equilibrium measure

open access: yes, 2017
We find an explicit formula for the weighted extremal function of $\mathbb{R}^n\subset \mathbb{C}^n$ with weight $(1+x_1^2+\cdots +x_n^2)^{-1/2}$ as well as its Monge-Ampère measure. As a corollary, we compute the Alexander capacity of $\mathbb{RP}^n$
Bos, Len   +3 more
core   +3 more sources

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