Events

Linear Algebra Seminar

Time: Mar 07, 2017 (04:00 PM)
Location: Parker Hall 246

Details:

Speaker: Pingping Zhang

Title: A further  extension of Rotfel'd theorem

Abstract: We prove an inequality for concave functions and partitioned matrices whose numerical ranges lie in a sector. This complements a theorem by E.Y. Lee concerning the positive semi-definite case.