Высшая математика. Учебное пособие.
Теория вероятностей. Математическая статистика
Логика в задачах и упражнениях
Математика. Естественные науки
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Catch-22 (Joseph Heller)
Ge eral Peckem's roubleshoo er Colo el Cargill, who used o be a spec acular failure as a marke i g execu ive a d who is ow a spec acular failure as a colo el. Yossaria feels sick, bu Doc Da eeka s ill refuses o grou d him. Doc Da eeka advises Yossaria o be like Havermeyer a d make he bes of i ; Havermeyer is a fearless lead bombardier. Yossaria hi ks ha he himself is a lead bombardier filled wi h a very heal hy fear. Havermeyer likes o shoo mice i he middle of he igh ; o ce, he woke Hu gry Joe a d caused him o dive i o o e of he sli re chs ha have appeared igh ly beside every e si ce Milo Mi derbi der, he mess officer, bombed he squadro . Hu gry Joe is crazy, a d hough Yossaria ries o help him, Hu gry Joe wo ' lis e o his advice because he hi ks Yossaria is crazy. Doc Da eeka does ' believe Hu gry Joe has problems--he hi ks o ly he has problems, because his lucra ive medical prac ice was e ded by he war. Yossaria remembers ryi g o disrup he educa io al mee i g i Cap ai Black's i ellige ce e by aski g u a swerable ques io s, which caused Group Headquar ers o make a rule ha he o ly people who could ask ques io s were he o es who ever did. his rule comes from Colo el Ca hcar a d Lieu e a Colo el Kor , who also approved he skee shoo i g ra ge where Yossaria ca ever hi a y hi g.
Algorithmic Problems in the Braid Group. Theory and Applications Elie F. Книга по Требованию 2009
|Автор:||Elie F. |
|Издательство:||Книга по Требованию |
|2004 руб||мягкая обложка|
|Аннотация:||We then discuss some application of braid groups, culminating in a section devoted to the discussion of braid group cryptography. We revise and prove some theorems of Lipschutz and show their application to cyclic amalgamations of braid groups. We then discuss known solutions to decision problems in braid groups. We begin with a review of the notion of a braid group. We generalize this application to prove a new theorem regarding the conjugacy problem in cyclic amalgamations. We illustrate this solution using a multitape Turing machine. We then prove new results in braid group algorithmics. We offer a quick solution to the generalized word problem in braid groups, in the special case of cyclic subgroups. The study of braid groups and their applications is a field which has attracted the interest of mathematicians and computer scientists alike. We then turn to a discussion of decision problems in cyclic amalgamations of groups and solve the word problem for the cyclic amalgamation of two braid groups. We then turn to a more general study of the conjugacy problem in cyclic amalgamations.|