Badreddine Benhellal

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20192025

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math.SP2025

Eigenvalue asymptotics for strong $δ$ -interactions supported on curves with corners

Badreddine Benhellal, Noah Körner, Konstantin Pankrashkin

Let $Γ \subset R^{2}$ be a piecewise smooth closed curve with corners. We discuss the asymptotic behavior of the individual eigenvalues of the two-dimensional Schrödinger oper…

math.SP2019

Spectral Asymptotic for the Infinite Mass Dirac Operator in bounded domain

Badreddine Benhellal

In this paper, we study a singular perturbation of a problem used in dimension two to model graphene or in dimension three to describe the quark confinement phenomenon in hadrons.…

Eigenvalue asymptotics for strong δ-interactions supported on curves with corners

Spectral Asymptotic for the Infinite Mass Dirac Operator in bounded domain

Eigenvalue asymptotics for strong $δ$ -interactions supported on curves with corners