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20132026
most citedThe existence of a global fundamental solution for homogeneous Hörmander operators via a global lifting method

25 citations · 69 across the 37 of their papers we have counts for

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math.AP2026

On a Sobolev critical problem for the superposition of a local and nonlocal operator with the "wrong sign''

Stefano Biagi, Serena Dipierro, Enrico Valdinoci +1

We study a critical problem for an operator of mixed order obtained by the superposition of a Laplacian with a fractional Laplacian. The main novelty is that we consider a mixed op…