Titlebook: Numbers, Information and Complexity; Ingo Alth?fer,Ning Cai,Zhen Zhang Book 2000 Springer Science+Business Media New York 2000 Symbol.code

progestin

Rudolf Ahlswede,Levon H. Khachatrian,András Sárk?zy

針葉

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充氣球

意見一致

Some New Results on Macaulay Posetse in many branches of combinatorics and have numerous applications. We survey mostly new and also some old results on Macaulay posets. Emphasis is also put on construction of extremal ideals in Macaulay posets.

Leaven

Infiltrate

The Cycle Method and Its Limitssections of the members of the family is assumed. If these intersections have to be at least 2, the method fails: the celebrated Complete Intersection Theorem by Ahlswede and Khachatrian cannot be proved by this method. We show the reasons and some attempts to overcome the difficulties.

NEG

慌張

978-1-4419-4967-7Springer Science+Business Media New York 2000

步履蹣跚

Almost Arithmetic ProgressionsWe investigate almost arithmetic progressions .., .., ..., .. of real numbers, that means sequences for which there exist non-overlapping intervals .. = [.., ..] of equal length, where the .. constitute an arithmetic progression, and which satisfy .. ∈ .. for . = 1, ..., ..

有特色

Convex Bounds for the 0,1 Co-Ordinate Deletions FunctionLet .(.) be the set of 0,1 co-ordinate vectors of dimension .. For . ? .(.) let Δ. be the set of vectors in .(. ? 1) obtained by deleting a co-ordinate from a vector of . in all ways. The 0,1 co-ordinate deletions function .(., .) is min |Δ.| over all . ? .(.)with |.| = .