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math.FA2025
Some non-commutative averaging theorems
Saptak Bhattacharya
Given any point on the closed unit disk can be written as the average of points on the unit circle . Here we discuss a no…
math.FA2024
A proof of Sylvester's theorem
Saptak Bhattacharya
We give a new elementary proof of existence and uniqueness of a solution to the Sylvester equation