Which set is the numerical range of an operator?

Autor: PEI YUAN WU1 pywu@math.nctu.edu.tw, HWA-LONG GAU2 hlgau@math.ncu.edu.tw
Zdroj: Acta Scientiarum Mathematicarum. Aug2022, Vol. 88 Issue 1/2, p527-545. 19p.
Databáze: Academic Search Ultimate