𝔖 Bobbio Scriptorium
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Une application d’une formule de Cauchy

✍ Scribed by M. J. V. Pexider

Book ID
112972532
Publisher
Springer Milan
Year
1903
Tongue
Italian
Weight
138 KB
Volume
17
Category
Article
ISSN
0009-725X

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✍ Jean-Guy Penaud 📂 Article 📅 1995 🏛 Elsevier Science 🌐 English ⚖ 586 KB

We give a purely combinatorial proof of a formula derived by Riordan from a result of Touchard. This proof involves a sequence of bijections starting with involutions, passing through words, trees .... and ending with polynominoes satisfying the required property. ## Resum/~ Une preuve bijective