1/ I saw this result in an analysis course many years ago. However, after four years of a control theory Ph.D., a very different interpretation came to my mind when rereading the proof. I'll explain the Riemann rearrangement theorem using control the

Tivadar Danka @tivadardanka · May 26, 2023

A fantastic thread on the rearrangements of conditionally convergent series:

Tweet Apr 26, 2023

by Rodrigo Aldana-López

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