[EN] In this paper, numerical methods for the solution of linear singular differential system are analyzed. The numerical solution of initial value problem by means of a corresponding finite difference approach and a ...
[EN] An analysis was made of the transport and fate of the organophosphate pesticide chlorpyrifos in productive soils from the Alto Valle of the Rio Negro in Argentine Patagonia. The climate of the region is arid, so ...
[EN] The space of n x n complex matrices with the star partial order is considered in the first part of this paper. The class of EP matrices is analyzed and several properties related to this order are given. In addition, ...
Ilisevic, Dijana; Thome, Néstor(ILAS–the International Linear Algebra Society, 2012)
[EN] This paper deals with the Hermitian H(A) and skew-Hermitian part S(A) of a
complex matrix A. We characterize all complex matrices A such that H(A), respectively S(A), is a potent matrix. Two approaches are used: ...