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math.AP2026
On the p-torsional rigidity of compact metric graphs: a sharp Kohler--Jobin inequality
Sedef Ãzcan
The paper studies the p‑torsional rigidity of the p‑Laplacian on compact metric graphs with Dirichlet and Kirchhoff conditions, proving existence of the torsion function and establ…
math.AP2026
Optimal Spectral Inequality for the Higher-Dimensional Landau Operator
Sedef Ãzcan, Matthias Täufer
We prove optimal spectral inequalities for Landau operators in full space and in arbitrary dimension. Spectral inequalities are lower bounds on the L 2 -mass of functions in spectr…