2 papers
math.CO2020
Consecutive Radio Labeling of Hamming Graphs
Nadav Kohen
For a graph , a -radio labeling of is the assignment of positive integers to the vertices of such that the closer two vertices are on the graph, the greater the diffe…
math.GT2020
A Projective Representation of the Modular Group
Nadav Kohen, Charles Frohman
Quantum Teichmuller theory assigns invariants to three-manifolds via projective representations of mapping class groups derived from the representation of a noncommutative torus. H…