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15 papers · 1 filter
Role of predator-prey reversal in Rock-Paper-Scissors models
P. P. Avelino, B. F. de Oliveira, R. S. Trintin
In this letter we consider a single parameter generalization of the standard three species Rock-Paper-Scissors (RPS) model allowing for predator-prey reversal. This model, which sh…
Time-dependent theory of optical electro- and magnetostriction
Mikko Partanen, Bruno Anghinoni, Nelson G. C. Astrath +1
Electrostriction, the deformation of dielectric materials under the influence of an electric field, is of continuous interest in optics. The classic experiment by Hakim and Higham…
Effects of shady environments on fish collective behavior
Haroldo V. Ribeiro, Matthew R. Acre, Jacob D. Faulkner +6
Despite significant efforts devoted to understanding the underlying complexity and emergence of collective movement in animal groups, the role of different external settings on thi…
Polynomial worst-case iteration complexity of quasi-Newton primal-dual interior point algorithms for linear programming
Jacek Gondzio, Francisco N. C. Sobral
Quasi-Newton methods are well known techniques for large-scale numerical optimization. They use an approximation of the Hessian in optimization problems or the Jacobian in system o…
Machine Learning Partners in Criminal Networks
Diego D. Lopes, Bruno R. da Cunha, Alvaro F. Martins +5
Recent research has shown that criminal networks have complex organizational structures, but whether this can be used to predict static and dynamic properties of criminal networks…
Bounds on Covering Codes in RT spaces using Ordered Covering Arrays
André Guerino Castoldi, Emerson Luiz do Monte Carmelo, Lucia Moura +2
In this work, constructions of ordered covering arrays are discussed and applied to obtain new upper bounds on covering codes in Rosenbloom-Tsfasman spaces (RT spaces), improving o…