Results 241 to 250 of about 273,383 (309)

Icecream: High-Fidelity Equivariant Cryo-Electron Tomography

open access: yes
Kishore V   +4 more
europepmc   +1 more source

Stochastic Operators and Semigroups and Their Applications in Physics and Biology

open access: closed, 2014
Stochastic operators are positive linear operators defined on the space of integrable functions preserving the set of densities. They appear in many fields of mathematics and applications and they are use to study ergodic properties of dynamical systems and describe the evolution of Markov chains.
Ryszard Rudnicki
openalex   +2 more sources

Robotnov function based operator for biological population model of biology

open access: closedInternational Journal of Numerical Methods for Heat & Fluid Flow, 2021
Purpose The population model has an important role in biology to interpret the spreading rate of viruses and parasites. This biological model is also used to identify fragile species. This paper aims to propose a new Yang-Abdel-Aty-Cattani (YAC) fractional operator with a non-singular kernel to solve nonlinear partial differential equation, which is ...
Sunil Kumar   +3 more
openalex   +2 more sources

Analysis of Degenerate Diffusion Operators Arising in Population Biology

open access: closed, 2012
In this chapter, we describe our recent work on the analytic foundations for the study of degenerate diffusion equations which arise as the infinite population limits of standard models in population genetics. Our principal results concern existence, uniqueness, and regularity of solutions when the data belong to anisotropic Holder spaces, adapted to ...
Charles L. Epstein, Rafe Mazzeo
openalex   +2 more sources

Degenerate Diffusion Operators Arising in Population Biology (AM-185)

open access: closed, 2017
This book provides the mathematical foundations for the analysis of a class of degenerate elliptic operators defined on manifolds with corners, which arise in a variety of applications such as population genetics, mathematical finance, and economics. The results discussed in this book prove the uniqueness of the solution to the martingale problem and ...
Charles L. Epstein, Rafe Mazzeo
openalex   +2 more sources

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