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math.SP2026

Some universal inequalities for Dirichlet eigenvalues of the Laplacian on a Euclidean convex domain

Kei Funano

We establish two universal inequalities for Dirichlet eigenvalues of the Laplacian on a Euclidean convex domain.

math.SP2026

A note on the distribution of Neumann eigenvalues of the Laplacian on a Euclidean convex domain

Kei Funano

We establish two universal inequalities for Neumann eigenvalues of the Laplacian on a Euclidean convex domain.

math.SP2026

Two new universal inequalities for Neumann eigenvalues of the Laplacian on a planar convex domain

Kei Funano

We establish two new universal inequalities for Neumann eigenvalues of the Laplacian on a planar convex domain.