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In mathematics, the Simon problems (or Simon's problems) are a series of fifteen questions posed in the year 2000 by Barry Simon, an American mathematical physicist. Inspired by other collections of mathematical problems and open conjectures, such as the famous list by David Hilbert, the Simon problems concern quantum operators. Eight of the problems pertain to anomalous spectral behavior of Schrödinger operators, and five concern operators that incorporate the Coulomb potential. The 2000 list was a refinement of a similar set of problems that Simon had posed in 1984.

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  • Simon-Probleme (de)
  • Simon problems (en)
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  • Die Simon-Probleme sind eine Liste von fünfzehn Problemen aus der mathematischen Physik, die Barry Simon 1984 zusammenstellte und 2000 aktualisierte. Simon zählte 1984 fünfzehn Probleme auf, die meist jeweils mehrere Teilprobleme hatten, so dass man je nach Zählung auch auf 35 kommt. Einige der Probleme sind außerordentlich schwierige Grundlagenprobleme und einige von Simon bewusst (nach dem Vorbild einiger der Hilbertschen Probleme) sehr vage formuliert und umreißen eher Forschungsfelder. (de)
  • In mathematics, the Simon problems (or Simon's problems) are a series of fifteen questions posed in the year 2000 by Barry Simon, an American mathematical physicist. Inspired by other collections of mathematical problems and open conjectures, such as the famous list by David Hilbert, the Simon problems concern quantum operators. Eight of the problems pertain to anomalous spectral behavior of Schrödinger operators, and five concern operators that incorporate the Coulomb potential. The 2000 list was a refinement of a similar set of problems that Simon had posed in 1984. (en)
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  • June 2021 (en)
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  • Unclear notation. (en)
  • unclear notation (en)
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  • Die Simon-Probleme sind eine Liste von fünfzehn Problemen aus der mathematischen Physik, die Barry Simon 1984 zusammenstellte und 2000 aktualisierte. Simon zählte 1984 fünfzehn Probleme auf, die meist jeweils mehrere Teilprobleme hatten, so dass man je nach Zählung auch auf 35 kommt. Einige der Probleme sind außerordentlich schwierige Grundlagenprobleme und einige von Simon bewusst (nach dem Vorbild einiger der Hilbertschen Probleme) sehr vage formuliert und umreißen eher Forschungsfelder. (de)
  • In mathematics, the Simon problems (or Simon's problems) are a series of fifteen questions posed in the year 2000 by Barry Simon, an American mathematical physicist. Inspired by other collections of mathematical problems and open conjectures, such as the famous list by David Hilbert, the Simon problems concern quantum operators. Eight of the problems pertain to anomalous spectral behavior of Schrödinger operators, and five concern operators that incorporate the Coulomb potential. In 2014, Artur Avila won a Fields Medal for work including the solution of three Simon problems. Among these was the problem of proving that the set of energy levels of one particular abstract quantum system was in fact the Cantor set, a challenge known as the "Ten Martini Problem" after the reward that Mark Kac offered for solving it. The 2000 list was a refinement of a similar set of problems that Simon had posed in 1984. (en)
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