Forcing fondations

Invariants of rings of differential operators: Gelfand-Kirillov rationality, categories...

Noncommutative Noether´s problem

On the existence of innitely many closed geodesics in good riemannian orbifolds

On the infinity of the cousins, the principle of the house of pigeons and the exponential...

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Hyperfunctions on the Euclidean space and on the N-dimensional torus

Cyclic codes over chain rings

Nonlinear and vector versions of the Banach-Stone theorem