Institute of Mathematics
Polish Academy of Sciences
¦niadeckich 8
00-956 Warsaw, Poland
room no. 407
e-mail: tkoch@impan.pl
Scientific interests:
- Banach space theory, especially:
- combinatorial methods in Banach spaces
- twisted sums
- vector measures
- generalised bases
- Banach algebras, including:
- operator algebras and their ideals
- C*-algebras, von Neumann algebras
- Functional equations and inequalities, especially:
- Hyers-Ulam stability
- functional equations in number theory