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math-ph2022
The Steady States of Isotone Electric Systems
Dan Comănescu
The steady states of an isotone electric system are described by an isotone function with respect to the componentwise order. When there are steady states, we highlight a dominant…
math-ph2022
Laplace-Beltrami operator on the orthogonal group in Cartesian coordinates
Petre Birtea, Ioan Casu, Dan Comanescu
Using the embedded gradient vector field method (see P. Birtea, D. Comanescu, Hessian operators on constraint manifolds, J. Nonlinear Science 25, 2015), we present a general formul…