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math.AP2026
Long time strong Sobolev instability for quasilinear NLS
Yuri Cacchiò, Filippo Giuliani, Felice Iandoli +1
We prove long-time strong Sobolev instability for a class of quasilinear Schrödinger equations on arising, via the Madelung transform, in the description of Euler-Kor…
math.AP2026
On the second-order regularity of widely degenerate elliptic systems
Felice Iandoli, Berardino Sciunzi, Domenico Vuono
We prove local second-order regularity near the critical set for widely degenerate elliptic systems, and show that this degenerate region has zero Lebesgue measure provided the sou…