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The Schoenflies (or Schönflies) notation, named after the German mathematician Arthur Moritz Schoenflies, is a notation primarily used to specify point groups in three dimensions. Because a point group alone is completely adequate to describe the symmetry of a molecule , the notation is often sufficient and commonly used for spectroscopy .
Arthur Moritz Schoenflies (German: [ˈʃøːnfliːs]; 17 April 1853 – 27 May 1928), sometimes written as Schönflies, was a German mathematician, known for his contributions to the application of group theory to crystallography, and for work in topology.
Thresor de la langue françoyse tant ancienne que moderne : 1606 Dictionnaire de l'Académie française: 1694 to present Littré: 1877 Grand Dictionnaire Encyclopédique Larousse: 1982-1985 Grand dictionnaire universel du XIXe siècle: 1866-1890 Dictionnaire des ouvrages anonymes et pseudonymes: 1806-1809 Petit Larousse: 1905 to present Petit ...
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The original formulation of the Schoenflies problem states that not only does every simple closed curve in the plane separate the plane into two regions, one (the "inside") bounded and the other (the "outside") unbounded; but also that these two regions are homeomorphic to the inside and outside of a standard circle in the plane.
Schoenflies (or Schönflies) displacement (or motion) named after Arthur Moritz Schoenflies is a rigid body motion consisting of linear motion in three dimensional space plus one orientation around an axis with fixed direction. [1]
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The Dictionnaire de l'Académie française (French pronunciation: [diksjɔnɛːʁ də lakademi fʁɑ̃sɛːz]) is the official dictionary of the French language. The Académie française is France's official authority on the usages, vocabulary , and grammar of the French language, although its recommendations carry no legal power.