Matrix inequalities;
Positive definite functions;
Bochner's theorem;
GEOMETRIC MEAN INEQUALITY;
D O I:
10.1007/s13226-024-00639-8
中图分类号:
O1 [数学];
学科分类号:
0701 ;
070101 ;
摘要:
One of K. R. Parthasarathy's major and abiding interests was the theory of positive definite functions and especially its relation to classical and quantum probability. Here we recall his contribution in providing a seminal idea that stimulated a lot of work on matrix inequalities.