@TonyTheLion2500
My choices-
1.
2. R E Edwards - Functional Analysis theory & applications
3. Lusternik - functional Analysis
4. Shilov functional analysis
5. Robinson - functional analysis
6. Barry Simon explains connection of FA to QM.
7. Deitmer Salamon - FA (GSM).
@dibiagioandrea
@TonyTheLion2500
Thatβs a secret which I donβt reveal. However, an excerpt from that are available at my google sites (teaching) & I am writing a document that lists books which describe a particular theorem & concept very well. For many of topics on classical mathematics (UG, Grad & School Math)