More forbidden minors for wye-delta-wye reducibility.
Evaluation of a multiple integral of Tefera via properties of the exponential distribution.
A natural derivative on [0, n] and a binomial Poincaré inequality
We consider probability measures supported on a finite discrete interval [0, ]. We introduce a new finite difference operator ∇, defined as a linear combination of left and right finite differences. We show that this operator ∇ plays a key role in a new Poincaré (spectral gap) inequality with respect to binomial weights, with the orthogonal Krawtchouk polynomials acting as eigenfunctions of the relevant operator. We briefly discuss the relationship of this operator to the problem of optimal transport...
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