منابع مشابه
Napoleon Polygons
An n-gon is called Napoleon if the centers of the regular ngons erected outwardly on its sides are vertices of a regular n-gon. In this note we obtain a new geometric characterization of Napoleon ngons and give a new proof of the well-known theorem of Barlotti Greber ([1], [3]) that an n-gon is Napoleon if and only if it is affine regular. Moreover, we generalize this theorem by obtaining an an...
متن کاملDominique Foata
Using classical transformations on the symmetric group and two transformations constructed in Fix-Mahonian Calculus I, we show that several multivariable statistics are equidistributed either with the triplet (fix,des,maj), or the pair (fix,maj), where " fix, " " des " and " maj " denote the number of fixed points, the number of descents and the major index, respectively.
متن کاملNapoleon Is in Equilibrium.
It has been said that the cell is the test tube of the twenty-first century. If so, the theoretical tools needed to quantitatively and predictively describe what goes on in such test tubes lag sorely behind the stunning experimental advances in biology seen in the decades since the molecular biology revolution began. Perhaps surprisingly, one of the theoretical tools that has been used with gre...
متن کاملProfile of Napoleon A. Chagnon.
Nearly 20 years after leaving the Amazon for the last time, Napoleon Chagnon is retracing his first steps into the jungle. The University of Missouri anthropologist and sociobiologist is archiving and documenting three decades of fieldwork in the Amazonian rainforest for deposition in a University of Michigan data center. Preparing his notes and transcribing more than 250 hours of tape recordin...
متن کاملLouis Napoleon and His Doctors
? ho is remembered chiefly for the disasters of the Franco-German war and 0r his capture by the Germans at Sedan. Inevitably he has suffered by comj^rison with his famous uncle, the great Napoleon Bonaparte, and he has jj?1* dismissed as a weak and irresolute man of small capacity, and even sj!611 ^ubbed Napoleon the Little. To live in the shadow of genius is no easy Ration for any man, and Lou...
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ژورنال
عنوان ژورنال: The Canadian Entomologist
سال: 1899
ISSN: 0008-347X,1918-3240
DOI: 10.4039/ent31102-5