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9 papers · 1 filter
Nonlinear localized modes in PT-symmetric Rosen-Morse potential well
Bikashkali Midya, Rajkumar Roychoudhury
We report the existence and properties of localized modes described by nonlinear Schroedinger equation with complex PT-symmetric Rosen-Morse potential well. Exact analytical expres…
Constructing Intrinsic Delaunay Triangulations of Submanifolds
Jean-Daniel Boissonnat, Ramsay Dyer, Arijit Ghosh
We describe an algorithm to construct an intrinsic Delaunay triangulation of a smooth closed submanifold of Euclidean space. Using results established in a companion paper on the s…
Respondent privacy and estimation efficiency in randomized response surveys for discrete-valued sensitive variables
Mausumi Bose
In some socio-economic surveys, data are collected on sensitive or stigmatizing issues such as tax evasion, criminal conviction, drug use, etc. In such surveys, direct questioning…
Classification of Boolean Functions where Affine Functions are Uniformly Distributed
Ranjeet Kumar Rout, Pabitra Pal Choudhury, Sudhakar Sahoo
Classification of Non-linear Boolean functions is a long-standing problem in the area of theoretical computer science. In this paper, effort has been made to achieve a systematic c…
Inverses of triangular matrices and bipartite graphs
Ravindra Bapat, Ebrahim Ghorbani
To a given nonsingular triangular matrix A with entries from a ring, we associate a weighted bipartite graph G(A) and give a combinatorial description of the inverse of A by employ…
The role of disorder symmetry in a dirty superconductor: a Bogoliubov-deGennes (BdG) study
Sanjeev Kumar, Prabuddha B. Chakraborty
We study the effect of disorder symmetry in a disordered s-wave superconductor. We begin with an attractive Hubbard model on a two-dimensional square lattice in the presence of dia…