Results 131 to 140 of about 7,475,610 (328)

Hurwitz numbers for regular coverings of surfaces by seamed surfaces and Cardy-Frobenius algebras of finite groups [PDF]

open access: yesarXiv, 2007
Analogue of classical Hurwitz numbers is defined in the work for regular coverings of surfaces with marked points by seamed surfaces. Class of surfaces includes surfaces of any genus and orientability, with or without boundaries; coverings may have certain singularities over the boundary and marked points.
arxiv  

Integrally Closed Ideals on Log Terminal Surfaces are Multiplier Ideals [PDF]

open access: yesarXiv, 2008
We show that all integrally closed ideals on log terminal surfaces are multiplier ideals by extending an existing proof for smooth surfaces.
arxiv  

Entropic Repulsion and Local Order in Doubly Tethered Polymers on a Surface

open access: yesMacromolecular Theory and Simulations, EarlyView.
The study examines the behavior of mobile doubly tethered polymers on a 2D substrate. It analyzes conformational properties and end‐monomer ordering, considering the director between end‐monomers for local ordering. As tethering density increases, a transition from mushroom‐like to upright structures is observed.
Min Chu, Dieter W. Heermann
wiley   +1 more source

The Sarkisov program on log surfaces [PDF]

open access: yesarXiv, 2019
We show that the Sarkisov program holds for $\mathbb{Q}$-factorial log surfaces and log canonical surfaces over any algebraically closed field.
arxiv  

A highly accurate numerical method for solving boundary value problem of generalized Bagley‐Torvik equation

open access: yesMathematical Methods in the Applied Sciences, EarlyView.
A highly accurate numerical method is given for the solution of boundary value problem of generalized Bagley‐Torvik (BgT) equation with Caputo derivative of order 0<β<2$$ 0<\beta <2 $$ by using the collocation‐shooting method (C‐SM). The collocation solution is constructed in the space Sm+1(1)$$ {S}_{m+1}^{(1)} $$ as piecewise polynomials of degree at ...
Suzan Cival Buranay   +2 more
wiley   +1 more source

Regimes and Mechanisms of Inflammation Described by a Reaction–Diffusion System

open access: yesMathematical Methods in the Applied Sciences, EarlyView.
ABSTRACT Inflammation is a biological response of the immune system to external stimuli such as injury or infection. It plays an important role in various diseases including atherosclerosis, cancer, and neurodegenerative diseases. This work presents a generic inflammation model based on reaction–diffusion equations that describes the concentrations of ...
W. El Hajj, N. El Khatib, V. Volpert
wiley   +1 more source

Unveiling New Perspectives on the Hirota–Maccari System With Multiplicative White Noise

open access: yesMathematical Methods in the Applied Sciences, EarlyView.
ABSTRACT In this study, we delve into the stochastic Hirota–Maccari system, which is subjected to multiplicative noise according to the Itô sense. The stochastic Hirota–Maccari system is significant for its ability to accurately model how stochastic affects nonlinear wave propagation, providing valuable insights into complex systems like fluid dynamics
Mohamed E. M. Alngar   +3 more
wiley   +1 more source

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