Matthias Keller
- Unbounded Laplacians on Graphs: Basic Spectral Properties and the Heat\n Equation
2011/01/15 by Matthias Keller, Daniel Lenz, Keller, Matthias +1 · 5 citations
Computer Science · Mathematics · #Advanced Mathematical Modeling in Engineering #FOS: Mathematics #FOS: Physical sciences #Functional Analysis (math.FA) #Graph theory and applications #Mathematical Physics (math-ph) #Spectral Theory (math.SP) #Spectral Theory in Mathematical Physics
- An improved discrete Hardy inequality
2016/12/18 by Matthias Keller, Yehuda Pinchover, Keller, Matthias +3 · 3 citations
Mathematics · Physics and Astronomy · #Differential Equations and Boundary Problems #Spectral Theory in Mathematical Physics #Electromagnetic Scattering and Analysis
- Intrinsic metrics on graphs: A survey
2014/07/28 by Matthias Keller, Keller, Matthias · 2 citations
Mathematics · #FOS: Mathematics #FOS: Physical sciences #Geometric Analysis and Curvature Flows #Mathematical Dynamics and Fractals #Mathematical Physics (math-ph) #Metric Geometry (math.MG) #Nonlinear Partial Differential Equations #Spectral Theory (math.SP)
- A note on self-adjoint extensions of the Laplacian on weighted graphs
2012/08/31 by Xueping Huang, Huang, Xueping, Matthias Keller +5 · 2 citations
Mathematics · #FOS: Mathematics #Functional Analysis (math.FA) #Geometric Analysis and Curvature Flows #Geometry and complex manifolds #Nonlinear Partial Differential Equations
- Generalized solutions and spectrum for Dirichlet forms on graphs
2010/02/04 by Sebastian Haeseler, Matthias Keller, Haeseler, Sebastian +1 · 1 citation
Computer Science · Mathematics · #Advanced Mathematical Modeling in Engineering #Spectral Theory in Mathematical Physics #Nonlinear Partial Differential Equations
- A Feynman-Kac-It o Formula for magnetic Schr "odinger operators on\n graphs
2013/01/07 by Batu Güneysu, Güneysu, Batu, Matthias Keller +4 · 1 citation
Mathematics · #FOS: Mathematics #FOS: Physical sciences #Functional Analysis (math.FA) #Mathematical Physics (math-ph) #Probability (math.PR) #Random Matrices and Applications #Spectral Theory in Mathematical Physics #advanced mathematical theories
- Harmonic functions of general graph Laplacians
2013/03/28 by Bobo Hua, Hua, Bobo, Matthias Keller +1 · 1 citation
Mathematics · #FOS: Mathematics #FOS: Physical sciences #Geometric Analysis and Curvature Flows #Mathematical Physics (math-ph) #Metric Geometry (math.MG) #Nonlinear Partial Differential Equations #Probability (math.PR) #Spectral Theory in Mathematical Physics
- Gradient estimates, Bakry-Emery Ricci curvature and ellipticity for unbounded graph Laplacians
2018/07/26 by Matthias Keller, Florentin Münch, Keller, Matthias +1 · 2 citations
Mathematics · #05C81 #35K05 #53C21 #Differential Geometry (math.DG) #FOS: Mathematics #Geometric Analysis and Curvature Flows #Geometry and complex manifolds #Nonlinear Partial Differential Equations
- An Improved Discrete p -Hardy Inequality
2019/10/07 by Florian Fischer, Fischer, Florian, Matthias Keller +3 · 1 citation
Mathematics · #Advanced Harmonic Analysis Research #Analysis of PDEs (math.AP) #Classical Analysis and ODEs (math.CA) #Differential Equations and Boundary Problems #FOS: Mathematics #FOS: Physical sciences #Mathematical Approximation and Integration #Mathematical Physics (math-ph) #Spectral Theory (math.SP)
- On Hodge Laplacians on General Simplicial Complexes
2025/08/11 by Bartmann, Philipp, Matthias Keller, Keller, Matthias · 3 citations
Mathematics · #Advanced Operator Algebra Research #FOS: Mathematics #Functional Analysis (math.FA) #Geometry and complex manifolds #Metric Geometry (math.MG) #Spectral Theory in Mathematical Physics
- A Liouville Theorem for Domains in Graphs
2026/07/20 by Philipp Hake, Matthias Keller, Felix Pogorzelski +1 · 1 citation
#math.AP #math.PR #math.SP
- Supersolution Construction and Optimal Hardy Inequality for Fractional Laplacians
2026/07/27 by Philipp Hake, Matthias Keller, Felix Pogorzelski
#math.AP #math-ph #math.MP #math.SP