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- Julian L. Cuevas Rozo, Humberto Sarria Zapata, Computation of matrices and submodular functions values associated to finite topological spaces , Revista de la Academia Colombiana de Ciencias Exactas, Físicas y Naturales: Vol. 41 No. 158 (2017)
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Abstract
The central theorem in this paper characterizes linear transformations preserving both symmetric and skew-symmetric complex matrices. We also give some characterizations for complex orthogonal and unitary transformations preserving symmetric or Hermitian matrices.
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