IUMJ is a journal publishing research papers at the forefront of both pure and applied mathematics.

Ülger, Saksman and Tylli have shown that if X is a reflexive Banach space and A is a subalgebra of K(X) such that A* has the Schur property, then A is completely continuous. Here by introducing the ...

Group gradings provide a powerful framework for decomposing algebraic structures into subspaces that are systematically indexed by a group. In the context of Lie algebras, which play a central role in ...