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- Pingzhi Yuan, Cunsheng Ding
- Finite Fields and Their Applications
- 2011

- Cunsheng Ding, Longjiang Qu, Qiang Wang, Jin Yuan, Pingzhi Yuan
- SIAM J. Discrete Math.
- 2015

Permutation polynomials have been a subject of study for a long time and have applications in many areas of science and engineering. However, only a small number of specific classes of permutation polynomials are described in the literature so far. In this paper we present a number of permutation trinomials over finite fields, which are of different forms.… (More)

- Pingzhi Yuan
- J. Comb. Theory, Ser. A
- 2007

- Pingzhi Yuan, Cunsheng Ding
- Finite Fields and Their Applications
- 2014

a r t i c l e i n f o a b s t r a c t Permutation polynomials are an interesting subject of mathematics and have applications in other areas of mathematics and engineering. In this paper, we develop general theorems on permutation polynomials over finite fields. As a demonstration of the theorems, we present a number of classes of explicit permutation… (More)

- Pingzhi Yuan, Xiangneng Zeng
- Eur. J. Comb.
- 2010

For the cyclic group G = Z/nZ and any non-empty A ∈ Z. We define the Davenport constant of G with weight A, denoted by D A (n), to be the least natural number k such that for any sequence (x 1 , · · · , x k) with x i ∈ G, there exists a non-empty subsequence (x j 1 , · · · , x j l) and a 1 , · · · , a l ∈ A such that l i=1 a i x j i = 0. Similarly, we… (More)

- Pingzhi Yuan
- Eur. J. Comb.
- 2009

- Pingzhi Yuan, Cunsheng Ding
- Finite Fields and Their Applications
- 2014

- Pingzhi Yuan
- Electr. J. Comb.
- 2009

Let G be a finite abelian group, and let S be a sequence of elements in G. Let f (S) denote the number of elements in G which can be expressed as the sum over a nonempty subsequence of S. In this paper, we slightly improve some results of [10] on f (S) and we show that for every zero-sum-free sequences S over G of length |S| = exp(G) + 2 satisfying f (S) 4… (More)

- Cunsheng Ding, Pingzhi Yuan
- ArXiv
- 2015

Four recursive constructions of permutation polynomials over GF(q 2) with those over GF(q) are developed and applied to a few famous classes of permutation polynomials. They produce infinitely many new permutation polynomials over GF(q 2 ℓ) for any positive integer ℓ with any given permutation polynomial over GF(q). A generic construction of permutation… (More)

- Pingzhi Yuan, Yanbin Zheng
- Finite Fields and Their Applications
- 2015