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math.FA2014
A way from the isoperimetric inequality in the plane to a Hilbert space
Edward Tutaj
We will formulate and prove a generalization of the isoperimetric inequality in the plane. Using this inequality we will construct an unitary space - and in consequence - an isomor…
math.NT2014
Prime numbers with a certain extremal type property
Edward Tutaj
The convex hull of the subgraph of the prime counting function is a convex set, bounded from above by a graph of some piecewise affine function $x\rightarrow ε(…