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Mathematical Sciences-Discrete Mathematics Seminar- Padraig Ó Catháin (WPI)- "Fischer's proof of Fischer's Inequality"

Monday, September 20, 2021
2:00 pm


Floor/Room #: 

Speaker: Padraig Ó Catháin (WPI)
Title: "Fischer's proof of Fischer's Inequality"

Abstract: Fischer's Inequality is a standard tool for working with positive definite matrices. In many textbooks (and on Wikipedia) there is a short proof using the square root of a positive definite matrix and the AGM inequality. The original proof is entirely different, and I will present it in its entirety