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Using the method of shape invariant potentials, a number of exact solutions of one dimensional effective mass Schrödinger equation are obtained. The solutions with equi-spaced spectrum are discussed… (More)

- Ali Faqeeh, Keivan Aghababaei Samani
- ArXiv
- 2011

The “clumpiness” matrix of a network is used to develop a method to identify its community structure. A “projection space” is constructed from the eigenvectors of the clumpiness matrix and a border… (More)

- Marziyeh Askari, Keivan Aghababaei Samani
- Physical review. E, Statistical, nonlinear, and…
- 2015

The ability of a mutant individual to overtake the whole of a population is one of the fundamental problems in evolutionary dynamics. Fixation probability and Average Fixation Time (AFT) are two… (More)

We give the definition and explore the algebraic structure of a class of quantum symmetries, called topological symmetries, which are generalizations of supersymmetry in the sense that they involve… (More)

- György Szabó, Kinga S Bodó, Keivan Aghababaei Samani
- Physical review. E
- 2017

We study antisymmetric components of matrices characterizing pair interactions in multistrategy evolutionary games. Based on the dyadic decomposition of matrices we distinguish cyclic and starlike… (More)

The problem of intertwined Hamiltonians in two dimensional curved spaces is investigated. Explicit results are obtained for Euclidean plane,Minkowski plane, Poincaré half plane (AdS2), de Sitter… (More)

For medical diagnosis and laboratory study applications we cannot directly use image that are acquired and detect the disorder because it is not efficient and unrealistic. These images need… (More)

- Reihaneh Kouhi Esfahani, Farhad Shahbazi, Keivan Aghababaei Samani
- Physical review. E, Statistical, nonlinear, and…
- 2012

A small-world (SW) network of similar phase oscillators, interacting according to the Kuramoto model, is studied numerically. It is shown that deterministic Kuramoto dynamics on SW networks has… (More)

- Keivan Aghababaei Samani, Davood Pooladsaz
- 2003

In this paper we consider Z3-graded topological symmetries (TSs) [2, 3] in one dimensional quantum mechanics. We give a classification of one dimensional quantum systems possessing these symmetries… (More)

We introduce the notion of a topological symmetry as a quantum mechanical symmetry involving a certain topological invariant. We obtain the underlying algebraic structure of the ZZ2-graded uniform… (More)