English

Torsional Rigidity, Isospectrality and Quantum Graphs

Spectral Theory 2017-01-04 v1 Mathematical Physics math.MP

Abstract

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.

Keywords

Cite

@article{arxiv.1607.05752,
  title  = {Torsional Rigidity, Isospectrality and Quantum Graphs},
  author = {Don Colladay and Leon Kaganovskiy and Patrick McDonald},
  journal= {arXiv preprint arXiv:1607.05752},
  year   = {2017}
}

Comments

15 pages, 5 figures

R2 v1 2026-06-22T14:58:56.648Z