Discrete Groups, Expanding Graphs and Invariant Measures by Alex Lubotzky (Engli
90,68 €
By Alex Lubotzky, Jonathan D. Rogawski. In the last ?. One problem is the - plicit construction of expanding graphs ("expanders"). These are highly connected sparse graphs whose existence can be easily demonstrated but whose explicit c- struction turns out to be a dif?cult task.
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