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This paper characterizes the inherent power of evolutionary algorithms. This power depends on the computational properties of the genetic encoding. With some encodings, two parents recombined with a simple crossover operator can sample from…

Neural and Evolutionary Computing · Computer Science 2022-08-04 Elliot Meyerson , Xin Qiu , Risto Miikkulainen

DNA is structurally and mechanically altered by the binding of intercalator molecules. Intercalation strongly affects the force-extension behavior of DNA, in particular the overstretching transition. We present a statistical model that…

In a recent work [arXiv:1307.1382] it was pointed out that the link-weight distribution of microRNA (miRNA) co-target network of a wide class of species are universal up to scaling. The number cell types, widely accepted as a measure of…

Genomics · Quantitative Biology 2014-05-20 Mahashweta Basu , Nitai P. Bhattacharyya , P. K. Mohanty

Modeling distributions of citations to scientific papers is crucial for understanding how science develops. However, there is a considerable empirical controversy on which statistical model fits the citation distributions best. This paper…

Digital Libraries · Computer Science 2014-02-18 Michal Brzezinski

Many physical processes result in very uneven, apparently random, distributions of matter, characterized by fluctuations of the local density over orders of magnitude. The density of matter in the sparsest regions can have a power-law…

Chaotic Dynamics · Physics 2019-03-27 Michael Wilkinson , Marc Pradas , Greg Huber , Alain Pumir

A new model, called "Human Dynamics", has been recently proposed that individuals execute activities based on a perceived priority of tasks, which can be characterized by a power-law distribution of waiting time between consecutive tasks…

Computers and Society · Computer Science 2019-11-05 Jonathan J. H. Zhu , Tai-Quan Peng

We study genetic networks that produce many species of non-coding RNA molecules that are present at a moderate density, as typically exists in the cell. The associations of the many species of these RNA are modeled physically, taking into…

Genomics · Quantitative Biology 2014-09-08 J. M. Deutsch

The CoHSI (Conservation of Hartley-Shannon Information) distribution is at the heart of a wide-class of discrete systems, defining (amongst other properties) the length distribution of their components. Discrete systems such as the known…

Other Quantitative Biology · Quantitative Biology 2018-07-31 Les Hatton , Gregory Warr

Among several quantitative invariants found in evolutionary genomics, one of the most striking is the scaling of the overall abundance of proteins, or protein domains, sharing a specific functional annotation across genomes of given size.…

Genomics · Quantitative Biology 2017-03-30 Eleonora de Lazzari , Jacopo Grilli , Sergei Maslov , Marco Cosentino Lagomarsino

We present some results of simulations of population growth and evolution, using the standard asexual Penna model, with individuals characterized by a string of bits representing a genome containing some possible mutations. After about…

Populations and Evolution · Quantitative Biology 2009-11-11 Mikolaj Sitarz , Andrzej Z. Maksymowicz

For a model of DNA denaturation, exponents describing the distributions of denaturated loops and unzipped end-segments are determined by exact enumeration and by Monte Carlo simulations in two and three dimensions. The loop distributions…

Statistical Mechanics · Physics 2007-05-23 Marco Baiesi , Enrico Carlon , Attilio Stella

In this work we propose a physical model of organismal evolution, where phenotype, organism life expectancy, is directly related to genotype i.e. the stability of its proteins which can be determined exactly in the model. Simulating the…

Populations and Evolution · Quantitative Biology 2007-05-23 Konstantin B. Zeldovich , Boris E. Shakhnovich , Eugene I. Shakhnovich

We study the stochastic dynamics of sequences evolving by single site mutations, segmental duplications, deletions, and random insertions. These processes are relevant for the evolution of genomic DNA. They define a universality class of…

Genomics · Quantitative Biology 2009-11-11 Philipp W. Messer , Michael Lassig , Peter F. Arndt

Power law distributions have been found in many natural and social phenomena, and more recently in the source code and run-time characteristics of Object-Oriented (OO) systems. A power law implies that small values are extremely common,…

Software Engineering · Computer Science 2007-05-23 Richard Wheeldon , Steve Counsell

In the framework of percolation of strings, the transverse momentum distributions in AA and hh collisions at all centralities and energies follow a universal behavior. The width of these distributions is related to the width of the…

High Energy Physics - Phenomenology · Physics 2008-11-26 L. Cunqueiro , J. Dias de Deus , E. G. Ferreiro , C. Pajares

Using basic properties of p-adic numbers, we consider a simple new approach to describe main aspects of DNA sequence and genetic code. Central role in our investigation plays an ultrametric p-adic information space which basic elements are…

Genomics · Quantitative Biology 2010-12-01 Branko Dragovich , Alexandra Dragovich

Taylor's power law is one of the mostly widely known empirical patterns in ecology discovered in the 20th century. It states that the variance of species population density scales as a power-law function of the mean population density.…

Other Quantitative Biology · Quantitative Biology 2016-04-19 Meng Xu

The power law has been observed in the degree distributions of many biological neural networks. Sparse deep neural networks, which learn an economical representation from the data, resemble biological neural networks in many ways. In this…

Machine Learning · Computer Science 2018-05-08 Lu Hou , James T. Kwok

We prove the existence of a limit shape and give its explicit description for certain probability distribution on signatures (or highest weights for unitary groups). The distributions have representation theoretic origin-they encode…

Representation Theory · Mathematics 2015-06-30 Alexei Borodin , Alexey Bufetov , Grigori Olshanski

It has been discovered recently that many social, biological and ecological systems have the so-called small-world and scale-free features, which has provoked new research interest in the studies of various complex networks. Yet, most…

Disordered Systems and Neural Networks · Physics 2007-05-23 Chunguang Li , Guanrong Chen
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