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Degenerate Diffusion Operators Arising in Population Biology [PDF]

open access: green, 2011
We analyze a class of partial differential equations that arise as "backwards Kolmogorov operators" in infinite population limits of the Wright-Fisher models in population genetics and in mathematical finance. These are degenerate elliptic operators defined on manifolds with corners. The classical example is the Kimura diffusion operator, which acts on
Charles L. Epstein, Rafe Mazzeo
openalex   +3 more sources

Operator Dynamics in Molecular Biology [PDF]

open access: closed, 2005
In this paper we propose one way of mathematical formulation of structure of molecular activity from operator algebraic view points.
Tsuyoshi Kato
openalex   +2 more sources

Pragmatic turn in biology: From biological molecules to genetic content operators

open access: diamondWorld Journal of Biological Chemistry, 2014
Erwin Schrödinger's question "What is life?" received the answer for decades of "physics + chemistry". The concepts of Alain Turing and John von Neumann introduced a third term: "information". This led to the understanding of nucleic acid sequences as a natural code. Manfred Eigen adapted the concept of Hammings "sequence space".
Guenther Witzany
  +6 more sources

Development of a suite of activatable plant synthetic promoter systems using a bacterial LysR-type transcriptional regulator FdeR [PDF]

open access: yesSynthetic and Systems Biotechnology
Advancing plant synthetic biology requires an abundant supply of orthogonal and tunable genetic parts to express multiple genes simultaneously. Current genetic parts, particularly promoters, used in plants are still limited and often suffer from tissue ...
Yinan Wu, Curtis Chen, Sijin Li
doaj   +2 more sources

On Expressing and Monitoring Oscillatory Dynamics [PDF]

open access: yesElectronic Proceedings in Theoretical Computer Science, 2012
To express temporal properties of dense-time real-valued signals, the Signal Temporal Logic (STL) has been defined by Maler et al. The work presented a monitoring algorithm deciding the satisfiability of STL formulae on finite discrete samples of ...
Luboš Brim   +2 more
doaj   +4 more sources

On the approximation theorem of Wong-Zakai type for the Lasota operator [PDF]

open access: yesOpuscula Mathematica, 2010
We consider in this paper a stochastic evolution equation with Professor A. Lasota's operator as the infinitesimal generator of a strongly continuous semigroup of transformations and with Hammerstein operator connected with a noise being the Wiener ...
Antoni Leon Dawidowicz   +1 more
doaj   +1 more source

A study of incomplete I-functions relating to certain fractional integral operators

open access: yesApplied Mathematics in Science and Engineering, 2023
The study discussed in this article is driven by the realization that many physical processes may be understood by using applications of fractional operators and special functions. In this study, we present and examine a fractional integral operator with
S. Bhatter   +4 more
doaj   +1 more source

Applications of the Neutrosophic Poisson Distribution for Bi-Univalent Functions Involving the Modified Caputo’s Derivative Operator

open access: yesFractal and Fractional, 2022
This paper establishes the upper bounds for the second and third coefficients of holomorphic and bi-univalent functions in a family which involves Bazilevic functions and μ-pseudo-starlike functions under a new operator, joining the neutrosophic Poisson ...
S. Santhiya, K. Thilagavathi
doaj   +1 more source

On the Numerical Solution of Fractional Boundary Value Problems by a Spline Quasi-Interpolant Operator

open access: yesAxioms, 2020
Boundary value problems having fractional derivative in space are used in several fields, like biology, mechanical engineering, control theory, just to cite a few.
Francesca Pitolli
doaj   +1 more source

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