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The non-orientable genus, demigenus, or Euler genus of a connected, non-orientable closed surface is a positive integer representing the number of cross-caps attached to a sphere. Alternatively, it can be defined for a closed surface in terms of the Euler characteristic χ, via the relationship χ = 2 − k , where k is the non-orientable genus.
Notes Works cited References External links 0-9 S.S. Kresge Lunch Counter and Soda Fountain, about 1920 86 Main article: 86 1. Soda-counter term meaning an item was no longer available 2. "Eighty-six" means to discard, eliminate, or deny service A abe's cabe 1. Five dollar bill 2. See fin, a fiver, half a sawbuck absent treatment Engaging in dance with a cautious partner ab-so-lute-ly ...
Download QR code; Print/export Download as PDF; Printable version; In other projects ... Pages in category "Generation Alpha slang" The following 7 pages are in this ...
The Dictionary of American Slang is an English slang dictionary. The first edition was edited by Stuart Flexner and Harold Wentworth and published in 1960 by Thomas Y. Crowell Company . [ 1 ] After Wentworth's death in 1965, [ 2 ] Flexner wrote a supplemented edition which was published in 1967. [ 3 ]
Thus the verb "to oof" can mean killing another player in a game or messing up something oneself. [107] [108] oomf Abbreviation for "One of My Followers". [109] opp Short for opposition or enemies; describes an individual's opponents. A secondary, older definition has the term be short for "other peoples' pussy". Originated from street and gang ...
Graph Theory, 1736–1936 is a book in the history of mathematics on graph theory.It focuses on the foundational documents of the field, beginning with the 1736 paper of Leonhard Euler on the Seven Bridges of Königsberg and ending with the first textbook on the subject, published in 1936 by Dénes Kőnig.
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Euler invented the calculus of variations including its most well-known result, the Euler–Lagrange equation. Euler also pioneered the use of analytic methods to solve number theory problems. In doing so, he united two disparate branches of mathematics and introduced a new field of study, analytic number theory.