PERMUTATION

作品数:181被引量:137H指数:6
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相关作者:黄群林洁梅陈平雁钱俊赵佳因更多>>
相关机构:南方医科大学北京城市学院空军军医大学(第四军医大学)上海大学更多>>
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相关基金:国家自然科学基金国家重点基础研究发展计划福建省自然科学基金国家教育部博士点基金更多>>
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Improved zero-sum distinguisher for full round Keccak-f permutation被引量:8
《Chinese Science Bulletin》2012年第6期694-697,共4页DUAN Ming LAI XueJia 
supported by the National Natural Science Foundation of China (60573032,60773092 and 61073149);Research Fund for the Doctoral Program of Higher Education of China (20090073110027)
Keccak is one of the five hash functions selected for the final round of the SHA-3 competition,and its inner primitive is a permutation called Keccak-f.In this paper,we observe that for the inverse of the only nonline...
关键词:置换 非线性变换 哈希函数 坐标 输出 排列 迭代 
Algorithmic criteria for permutation orthogonal systems over finite fields被引量:2
《Chinese Science Bulletin》1998年第16期1326-1331,共6页LU Peizhong 
Two criteria for orthogonal systems over finite fields are presented. The first one is an algorithm by use of Gr*ibner bases. The second one is a formula of the numbers of adjoint morphisms.
关键词:permutation polynomld orthogonal system algebraic variety Grobner basis 
Additive characters and orthogonal systems of polynomials in several indeterminates over residue class rings被引量:3
《Chinese Science Bulletin》1998年第4期275-277,共3页HONG Shaofang Department of Mathematics, Sichuan University, Chengdu 610064, China 
ThisworkwassupportedbytheNationalNatu ralScienceFoundationofChina (GrantNo .196 710 6 0 ) .
Let m, n and k be positive integers, m>1 and k≤n . Let Z m =Z/ m Z denote the residue class ring modulo m . Let Z denote the group of additive characters of ring Z m , x 0 denote the identity of Z . A necessary and s...
关键词:ORTHOGONAL system ADDITIVE character PERMUTATION polynomial JACOBI matrix. 
One-way permutation on a family of surfaces
《Chinese Science Bulletin》1995年第23期1954-1956,共3页祝跃飞 裴定一 
In the’recent decade, one-way functions have very. important applications in cryptograpy, especially in public key systems and generators of pseudorandom number. In fact, modem cryptograph is developed based on the a...
关键词:DISCRETE LOGARITHM hyperelliptic CURVE one-way permutation. 
Efficient Construction of Permutations of High Nonlinearity
《Chinese Science Bulletin》1993年第8期679-683,共5页武传坤 王新梅 
关键词:nonlinear PERMUTATION BENT function WALSH TRANSFORMATION 
A NECESSARY AND SUFFICIENT CONDITION ON SHEVRIN 'S PROBLEMS
《Chinese Science Bulletin》1991年第4期349-349,共1页龙冬阳 
In [1], Shevrin posed two open problems on semigroups: (1) Is a semigroup every subsemigroup of which can be included in a finite ideal series nilpotent? (2) Is a semigroup whose proper subsemigroups all are nilpotent...
关键词:NILPOTENT SEMIGROUP itself posed INTEGER nontrivial PERMUTATION ANSWER letter referred 
STRONGLY EQUIVALENT CLASSES OF FUNCTIONS ON FINITE SETS
《Chinese Science Bulletin》1990年第16期1401-1402,共2页韩绍岑 
Let D and R be two finite sets, R^D={f; f: D→R} the set of all functions from D into R, G a permutation group acting on D, H a permutation group acting on R. L. Carlitz defined the strongly equivalent relation of fun...
关键词:CLASSES PERMUTATION ACTING 
A NEW SEQUENCE DERIVED FROM THE ONE-DIMENSIONAL QUASICRYSTAL LATTICE WITH EIGHT-FOLD ROTATIONAL SYMMETRY
《Chinese Science Bulletin》1989年第14期1231-1232,共2页施倪承 闵乐泉 
A two-dimensional quasicrystal pattern with an eight-fold rotational axis has been found by N. Wang et al. (Phys. Rev. Lett., 59(1987), 1010). It is obvious that one-dimensional quasilattice with eight-fold rotational...
关键词:rotational symmetry FIBONACCI BREED PERMUTATION INTEGER arrangement letter symbol ANSWER 
GEOMETRIC CHARACTERISTICS OF FIBONACCI PERMUTATIONS AND A ONE-DIMENSIONAL LATTICE OF A QUASICRYSTAL
《Chinese Science Bulletin》1987年第22期1581-1582,共2页李宗元 
In November of 1984, D. Shechtman et al. obtained the first electron micrograph of a quasicrystal. In the high resolution electron micrograph, the bright dots along any straight line have Fibonacci permutations with t...
关键词:micrograph straight FIBONACCI bright symbol DEMON RESULTANT PERMUTATION letter replaced 
SOME MATHEMATICAL ANSWERS TO STRUCTURES OF QUASICRYSTAL
《Chinese Science Bulletin》1987年第10期716-717,共2页闵乐泉 李宗元 
In November 1984, D. Shechtman et al. reported the first quasicrystal electron diffraction patterns in a splat-cooled Mn-Al alloy. This discovery has broken through
关键词:broken cooled straight circle PERMUTATION OVERLAP BRIGHT WONDERFUL radius Number 
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