Robuta

https://research.wu.ac.at/en/activities/extremal-graphs-with-minimal-k-th-laplacian-eigenvalue-14/ Extremal graphs with minimal k-th Laplacian eigenvalue - WU Vienna University of Economics and... university of economics laplacian eigenvalue wu vienna extremal graphs https://www.numdam.org/item/AIHPC_2009__26_4_1149_0/ Regularity of the Optimal Shape for the First Eigenvalue of the Laplacian With Volume and Inclusion... of the shape for and inclusion regularity optimal https://cvgmt.sns.it/paper/5727/ cvgmt: An isoperimetric inequality for the first Steklov-Dirichlet Laplacian eigenvalue of convex... for the first isoperimetric inequality dirichlet laplacian steklov eigenvalue