1 citations · 1 across the 1 of their papers we have counts for
2 papers
math.FA2012
Operator inequalities related to weak 2-positivity
Mohammad Sal Moslehian, Jun Ichi Fujii
In this paper we introduce the notion of weak 2-positivity and present some examples. We establish some operator Cauchy--Schwarz inequalities involving the geometric mean and give…
cs.IT2005★ 1 cited
Concavity of the auxiliary function appearing in quantum reliability function an classical-quantum channels
Jun Ichi Fujii, Ritsuo Nakamoto, Kenjiro Yanagi
Concavity of the auxiliary function which appears in the random coding exponent as the lower bound of the quantum reliability function for general quantum states is proven for s be…