A Note on polynomial-size monotone proofs of the pigeon hole principle

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Título:	A Note on polynomial-size monotone proofs of the pigeon hole principle
Autor/a:	Atserias, Albert
Otros autores:	Universitat Politècnica de Catalunya. Departament de Ciències de la Computació
Abstract:	We see that the version of the pigeon-hole principle in which every hole is forced to receive a pigeon (called onto) and the version in which every pigeon is mapped into exactly one hole (called functional) have polynomial-size proofs in the tree-like monotone sequent calculus. The proofs are surprisingly simple reductions to the non-monotone case
Materia(s):	-Àrees temàtiques de la UPC::Informàtica -Pigeon-hole principle -Polynomial-size monotone proofs
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Tipo de documento:	Artículo - Versión publicada Informe
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Atserias, Albert; Müller, Moritz; Oliva Valls, Sergi

Atserias, Albert; Kreutzer, Stephan; Noy Serrano, Marcos

Atserias, Albert; Bonacina, Ilario; Rezende, Susanna F. de; Lauria, Massimo; Nordström, Jakob; Razborov, Alexander

Atserias, Albert; Dawar, Anuj

Atserias, Albert; Balcázar Navarro, José Luis; Piceno Cabrera, Marie Ely

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