Isoperimetric numbers and spectral radius of some infinite planar graphs
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Bojan Mohar (1992)
Mathematica Slovaca
Wyatt Boyer, Bryan Brown, Gregory R. Chambers, Alyssa Loving, Sarah Tammen (2016)
Analysis and Geometry in Metric Spaces
We show that the unique isoperimetric regions in Rn with density rp for n ≥ 3 and p > 0 are balls with boundary through the origin.
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