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Ernst Paul Specker (11 February 1920, Zurich – 10 December 2011, Zurich) was a Swiss mathematician. Much of his most influential work was on Quine's New Foundations, a set theory with a universal set, but he is most famous for the Kochen–Specker theorem in quantum mechanics, showing that certain types of hidden variable theories are impossible. He also proved the ordinal partition relation ω2 → (ω2,3)2, thereby solving a problem of Erdős. Specker received his Ph.D. in 1949 from ETH Zurich, where he remained throughout his professional career.

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  • Ernst Specker (de)
  • Ernst Specker (eo)
  • Ernst Specker (en)
  • Ernst Specker (fr)
  • Ernst Specker (it)
  • Ernst Specker (pt)
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  • Ernst P. SPECKER (fonetike: "Ŝpeker") (n. 11a de februaro 1920 en Zuriĥo) estas svisa matematikisto. (eo)
  • Ernst Paul Specker (* 11. Februar 1920 in Zürich; † 10. Dezember 2011 ebenda) war ein Schweizer Mathematiker. (de)
  • Ernst Paul Specker (11 February 1920, Zurich – 10 December 2011, Zurich) was a Swiss mathematician. Much of his most influential work was on Quine's New Foundations, a set theory with a universal set, but he is most famous for the Kochen–Specker theorem in quantum mechanics, showing that certain types of hidden variable theories are impossible. He also proved the ordinal partition relation ω2 → (ω2,3)2, thereby solving a problem of Erdős. Specker received his Ph.D. in 1949 from ETH Zurich, where he remained throughout his professional career. (en)
  • Ernst Paul Specker (Zurigo, 11 febbraio 1920 – Zurigo, 10 dicembre 2011) è stato un matematico svizzero. Si è occupato di logica matematica e di teoria degli insiemi con importanti lavori su New Foundations; ma soprattutto i suoi successi si rivelano nell'ambito della meccanica quantistica (teorema di Kochen-Specker). (it)
  • Ernst Paul Specker (Zurique, 11 de fevereiro de 1920 — Zurique, 10 de dezembro de 2011) foi um matemático suíço. Grande parte de seu trabalho foi sobre a de Willard Van Orman Quine, sendo mais conhecido pelo em mecânica quântica, mostrando que certos tipos de teorias de variáveis ocultas são impossíveis. Specker obteve o doutorado em 1949 no Instituto Federal de Tecnologia de Zurique, onde foi professor até o fim de sua carreira profissional. (pt)
  • Ernst Paul Specker, né le 11 février 1920 à Zurich et mort 10 décembre 2011 dans la même ville est un mathématicien suisse. Ses travaux les plus influents portent sur les nouvelles fondations de Quine, une théorie des ensembles avec un ensemble universel, mais il est surtout connu pour le théorème de Kochen-Specker en mécanique quantique, montrant que certains types de théories de variables cachées sont impossibles. Il a également prouvé la relation de partition ordinale ω 2 → (ω 2, 3) 2, résolvant ainsi un problème d'Erdős. (fr)
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