23 citations · 48 across the 28 of their papers we have counts for
Showing math.SPShow all
2 papers · 1 filter
math.SP2026
An Improved Bound for the Ovals Problem
Durvudkhan Suragan
Let be a closed curve of length with its curvature , parametrized by arc length, and let be the first eigenvalue of the periodic cur…
math.SP2025
Eigenvalue lower bounds through a generalized inradius
Rupert L. Frank, Ari Laptev, Durvudkhan Suragan
Lieb has shown a lower bound on the smallest Dirichlet eigenvalue of the Laplace operator in terms of a generalized inradius. We derive similar bounds for Robin eigenvalues, for ei…