Results 1 to 10 of about 19,572,992 (202)

Potential theory for directed networks. [PDF]

open access: yesPLoS ONE, 2013
Uncovering factors underlying the network formation is a long-standing challenge for data mining and network analysis. In particular, the microscopic organizing principles of directed networks are less understood than those of undirected networks.
Qian-Ming Zhang   +5 more
doaj   +8 more sources

Potential Theory

open access: yesISLE: Interdisciplinary Studies in Literature and Environment, 2020
Potential theory is concerned with the study of harmonic functions, namely solutions f of Laplace's equation ∆f ≡ 0. The origins of this eld lie in mathematical physics of the 19th century when it was noticed that harmonic functions play an important ...
J. Gurian
openaire   +2 more sources

Application of upper estimates for products of inner radii to distortion theorems for univalent functions

open access: yesМатематичні Студії, 2023
In 1934 Lavrentiev solved the problem of maximum of product of conformal radii of two non-overlapping simply connected domains. In the case of three or more points, many authors considered estimates of a more general Mobius invariant of the form $$ T_{n}:
I. V. Denega, Ya. V. Zabolotnyi
doaj   +1 more source

Dilatancy Equation Based on the Property-Dependent Plastic Potential Theory for Geomaterials

open access: yesFractal and Fractional, 2023
The dilatancy equation ignores the noncoaxiality of granular soil for the coaxial assumption of the direction of the stress and strain rate in conventional plastic potential theory, which is inconsistent with extensive laboratory tests.
Xuefeng Li, Houying Zhu, Qi Yuan
semanticscholar   +1 more source

Correction: Potential Theory for Directed Networks.

open access: yesPLoS ONE, 2013
Qian-Ming Zhang   +4 more
doaj   +4 more sources

Potentials for a three-dimensional elliptic equation with one singular coefficient and their application [PDF]

open access: yesVestnik Samarskogo Gosudarstvennogo Tehničeskogo Universiteta. Seriâ: Fiziko-Matematičeskie Nauki, 2021
A potential theory for a three-dimensional elliptic equation with one singular coefficient is considered. Double- and simple-layer potentials with unknown density are introduced, which are expressed in terms of the fundamental solution of the mentioned ...
Tuhtasin G. Ergashev
doaj   +1 more source

Potential-Based Large-Signal Stability Analysis in DC Power Grids With Multiple Constant Power Loads

open access: yesIEEE Open Access Journal of Power and Energy, 2022
The increasing adoption of power electronic devices may lead to large disturbance in DC power grids. Traditionally, the Brayton-Moser mixed potential theory is utilized to address large-signal stability (LSS) analysis.
Fangyuan Chang   +3 more
doaj   +1 more source

Combinatorics Meets Potential Theory [PDF]

open access: yesThe Electronic Journal of Combinatorics, 2016
Using potential theoretic techniques, we show how it is possible to determine the dominant asymptotics for the number of walks of length $n$, restricted to the positive quadrant and taking unit steps in a balanced set $\Gamma$. The approach is illustrated through an example of inhomogeneous space walk.
d'Arco, Philippe   +2 more
openaire   +3 more sources

Eigenvalue asymptotics for potential type operators on Lipschitz surfaces of codimension greater than 1 [PDF]

open access: yesOpuscula Mathematica, 2018
For potential type integral operators on a Lipschitz submanifold the asymptotic formula for eigenvalues is proved. The reasoning is based upon the study of the rate of operator convergence as smooth surfaces approximate the Lipschitz one.
Grigori Rozenblum, Grigory Tashchiyan
doaj   +1 more source

Solving Westergaard Half-Space Problems Using Potential Theory [PDF]

open access: yesEngineering and Technology Journal, 2023
The Westergaard half-space problem has been solved using the potential theory in this work. It is a classical theme in elasticity theory that seeks to find the displacements and stresses in the half-space caused by known boundary loads.
Charles Ike
doaj   +1 more source

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