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Abel群的一些分解定理的推广(II)
拟循环模 A-宽 A-不变子空间
2019/4/17
本文讨论了2类具体的主理想整环上的拟循环模，研究了A-宽有限的向量空间，刻画了该类向量空间的结构，阐述了A-宽有限的向量空间的A-不变子空间构成的偏序集必满足极小条件，并给出了带有线性变换的向量空间作为F[λ]-模构成拟循环模的一个充要条件.
Complexity Adjusted Soft-Output Sphere Decoding by Adaptive LLR Clipping
Soft-Output Sphere Decoding Adaptive LLR Clipping
2010/11/15
A-posteriori probability (APP) receivers operating over multiple-input, multiple-output channels provide enhanced performance at the cost of increased complexity. However, employing full APP processi...
Derivation of an integral of Boros and Moll via convolution of Student t-densities
Quartic integral Student t-density
2010/12/6
We show that the evaluation of an integral considered by Boros and Moll is a special case of a convolution result about Student t-densities obtained by the authors in 2008.
Gaussian concentration of the q-characters of the Hecke algebras of type A
Gaussian concentration q-characters of the Hecke algebras type A
2010/12/9
We show that with respect to the q-Plancherel measure on partitions of size n, the irreducible
characters of an Hecke algebra Hq(Sn) are concentrated around the normalized trace of Hq(Sn). More preci...
Algebraic density property of Danilov-Gizatullin surfaces
Algebraic density property Danilov-Gizatullin surfaces
2010/12/9
A Danilov-Gizatullin surface is an affine surface V which is the com-plement of an ample section S of a Hirzebruch surface. The remarkable theorem of Danilov and Gizatullin states that the isomorphism...
Extending Landau's Theorem on Dirichlet Series with Non-Negative Coefficients
Extending Landau's Theorem Non-Negative Coefficients
2010/11/26
A classical theorem of Landau states that, if an ordinary Dirichlet series has non-negative coefficients, then it has a singularity on the real line at its abscissae of absolute convergence.
Some improvements on the constants for the real Bohnenblust-Hille inequality
improvements constants real Bohnenblust-Hille inequality
2010/12/6
A classical inequality due to Bohnenblust and Hille states that for every N ∈ N and every m-linear mapping U : ℓN 1 × · · · × ℓN 1 → C we have N X i1,...,im=1 U(ei1 , ..., eim) 2m m...
In this report, we consider Adelman’s algorithm for generating shortest permutation strings. We introduce a new representation approach which reveals some properties of Adelman’s algorithm.
Primitive orthogonal idempotents for R-trivial monoids
orthogonal idempotents R-trivial monoids
2010/12/13
We show that the notions of R-trivial monoid and weakly ordered monoid are equivalent. We use this fact to construct a complete system of orthogonal idempotents for all R-trivial monoids.
On the symmetry of primes
symmetry primes
2010/12/15
We prove a kind of “almost all symmetry” result for the primes, i.e. we give non-trivial bounds for the “symmetry integral”, say I(N, h), of the von Mangoldt function (n) (:= log p for prime-powers ...
We consider a stochastic volatility model with L´evy jumps for a log-return pro-cess Z = (Zt)t≥0 of the form Z = U +X, where U = (Ut)t≥0 is a classical stochastic volatility process and X = (Xt)...
设奇数ｑ≥３存在原根，研究模ｑ的原根中Ｄ．Ｈ．Ｌｅｈｍｅｒ数与它的逆的差的分布性质，并给出了一个较强的渐近公式。
关于算术级数中LehmerDH数的分布
分布性质 渐近公式 勒赫曼数 算术级数
2009/11/11
设ｑ＞２是一个奇数，对任意整数１≤ａ≤ｑ－１且（ａ，ｑ）＝１，存在唯一的整数１≤ａ≤ｑ－１，使得ａａ≡１（ｍｏｌｄ），定义数ａ为Ｌｅｈｍｅｒ数，如果ａ和＾－ａ具有相反的奇偶性。研究算术级数中ＬｅｈｍｅｒＤＨ数扔分布性能，并证明一个有趣的极限分布定量和渐近公式。