منابع مشابه
The first report of one genus and two species of Lauxaniidae (Diptera) from Iran
طی بررسی نمونه‌های موجود در موزه‌ی حشرات هایک میرزایانس، دو گونه‌ی Eusapromyza martineki Shatalkin و Eusapromyza multipunctata (Fallen)از خانواده‌ی Lauxaniidae شناسایی گردید که جنس و گونه‌ها برای اولین بار از ایران گزارش می‌شود.
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The adjoint action of a finite group of Lie type on its Lie algebra is studied. A simple formula is conjectured for the number of semisimple orbits of a given split genus. This conjecture is proved for type A, and partial results are obtained for other types. For type A a probabilistic interpretation is given in terms of card shuffling.
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The adjoint action of a nite group of Lie type on its Lie algebra is studied. A simple formula is conjectured for the number of split semisimple orbits of a given genus. This conjecture is proved for type A, and partial results are obtained for other types. For type A a probabilistic interpretation is given in terms of Solomon's descent algebra and card shu ing. 3
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There is no known algorithm for determining whether a knot has unknotting number one, practical or otherwise. Indeed, there are many explicit knots (11328 for example) that are conjectured to have unknotting number two, but for which no proof of this fact is currently available. For many years, the knot 810 was in this class, but a celebrated application of Heegaard Floer homology by Ozsváth an...
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ژورنال
عنوان ژورنال: Pacific Journal of Mathematics
سال: 1971
ISSN: 0030-8730,0030-8730
DOI: 10.2140/pjm.1971.37.591