"Eigenvalue of the Laplacian"@en . "Concentration de mesures"@fr . "Extremal problems"@en . "613773e7db94c383ceb4e5871d55315d" . "Condition de Neumann"@fr . "Surfaces riemanniennes"@fr . . "Riemanniann surfaces"@en . "Invariance conforme"@fr . "Enlacement"@fr . "Dirichlet energy"@en . "G\u00E9om\u00E9trie spectrale"@fr . "Alexandre" . "\u00C9nergie de Dirichlet"@fr . "Alexandre Girouard" . . "Conformal invariance"@en . "Degeneration"@en . "Spectral geometry"@en . "Measure concentration"@en . "Valeurs propres du laplacien"@fr . "Morse theory"@en . "Th\u00E9orie de Morse"@fr . "D\u00E9g\u00E9n\u00E9rescence"@fr . "Probl\u00E8mes extr\u00E9maux"@fr . "Linking"@en . "Neumann boundary conditions"@en . "Girouard" .