Collectanea Mathematica
An explicit expression for singular integral operators with non-necessarily doubling measures
Compactness and convergence with respect to a neighborhood operator
Fredholm composition operators on analytic function spaces
Hilbert–Schmidt and multiple summing operators
Maximal functions, product condition and its eccentricity
Presentations of rings with non-trivial semidualizing modules
Some remarks on Cartan–Eilenberg categories
Weighted modular estimates for a generalized maximal operator on spaces of homogeneous type