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Four transformations on the Catalan triangle

6 Pith papers cite this work. Polarity classification is still indexing.

6 Pith papers citing it
abstract

In this paper, we define four transformations on the classical Catalan triangle $\mathcal{C}=(C_{n,k})_{n\geq k\geq 0}$ with $C_{n,k}=\frac{k+1}{n+1}\binom{2n-k}{n}$. The first three ones are based on the determinant and the forth is utilizing the permanent of a square matrix. It not only produces many known and new identities involving Catalan numbers, but also provides a new viewpoint on combinatorial triangles.

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representative citing papers

Integrable Elasticity via Neural Demand Potentials

cs.LG · 2026-05-21 · unverdicted · novelty 6.0

ICDN is a neural network that models log-demand from log-prices so elasticities can be derived exactly by differentiation, showing better out-of-sample performance than log-log benchmarks on beer sales data.

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