Torsional Rigidity, Isospectrality and Quantum Graphs
classification
🧮 math.SP
math-phmath.MP
keywords
rigiditytorsionalgraphisospectralpairsquantumanalogsdistinguished
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We study torsional rigidity for graph and quantum graph analogs of well-known pairs of isospectral non-isometric planar domains. We prove that such isospectral pairs are distinguished by torsional rigidity.
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