Geodesic
Multiplicative Cauchy functional equation in the cone of positive-definite symmetric matrices
Konstancja Bobecka1 ; Jacek Wesołowski2
1Faculty of Mathematics and Information Science Warsaw University of Technology 00-661 Warszawa, Poland
2Faculty of Mathematics and Information Science Warsaw University of Technology Warszawa, Poland
Annales Polonici Mathematici, Tome 82 (2003) no. 1, pp. 1-7
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We solve the multiplicative Cauchy equation for real functions of symmetric positive definite matrices under the differentiability restriction. The specialty of the problem lies in the symmetry of the multiplication.
DOI : 10.4064/ap82-1-1
Keywords: solve multiplicative cauchy equation real functions symmetric positive definite matrices under differentiability restriction specialty problem lies symmetry multiplication

Konstancja Bobecka  1   ; Jacek Wesołowski  2

1 Faculty of Mathematics and Information Science Warsaw University of Technology 00-661 Warszawa, Poland
2 Faculty of Mathematics and Information Science Warsaw University of Technology Warszawa, Poland 
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Konstancja Bobecka; Jacek Wesołowski. Multiplicative Cauchy functional equation
 in the cone of positive-definite symmetric matrices. Annales Polonici Mathematici, Tome 82 (2003) no. 1, pp. 1-7. doi: 10.4064/ap82-1-1

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