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On codes in the projective linear group PGL(2, q)

期刊: FINITE FIELDS AND THEIR APPLICATIONS, 2021; 75 ()

In this paper, we resolve a conjecture of Green and Liebeck (2019) [3] on codes in PGL(2, q). To be specific, we show that: if D is a dihedral subgrou......

LCD codes from tridiagonal Toeplitz matrices

期刊: FINITE FIELDS AND THEIR APPLICATIONS, 2021; 75 ()

Double Toeplitz (DT) codes are codes with a generator matrix of the form (I, T) with T a Toeplitz matrix, that is to say constant on the diagonals par......

On 2-dimensional insertion-deletion Reed-Solomon codes with optimal asymptotic error-correcting capability

期刊: FINITE FIELDS AND THEIR APPLICATIONS, 2021; 73 ()

Reed-Solomon codes have gained a lot of interest due to its encoding simplicity, well structuredness and list-decoding capability [6] in the classical......

Newton polygons of L-functions associated to Deligne polynomials

期刊: FINITE FIELDS AND THEIR APPLICATIONS, 2021; 75 ()

A conjecture of Le says that the Deligne polytope Delta(d) is generically ordinary if p 1 (mod D(Delta(d))), where D(Delta(d)) is a combinatorial cons......

On binary locally repairable codes with distance four

期刊: FINITE FIELDS AND THEIR APPLICATIONS, 2021; 72 ()

We propose a unified construction for binary locally repairable codes (LRCs) with distance four. When there is a binary linear code [n, k, 4] without ......

Metrical properties for continued fractions of formal Laurent series

期刊: FINITE FIELDS AND THEIR APPLICATIONS, 2021; 73 ()

Motivated by recent developments in the metrical theory of continued fractions for real numbers concerning the growth of consecutive partial quotients......

Weight distributions and weight hierarchies of two classes of binary linear codes

期刊: FINITE FIELDS AND THEIR APPLICATIONS, 2021; 73 ()

Linear codes with a few weights can be applied to communication, consumer electronics and data storage system. In addition, the weight hierarchy of a ......

On the constructions of n-cycle permutations

期刊: FINITE FIELDS AND THEIR APPLICATIONS, 2021; 73 ()

Any permutation polynomial is an n-cycle permutation. When n is a specific small positive integer, one can obtain efficient permutations, such as invo......

On the distribution of multivariate Jacobi sums

期刊: FINITE FIELDS AND THEIR APPLICATIONS, 2021; 73 ()

Let F-q be a finite field of q elements. We show that the normalized Jacobi sum q(-(m-1)/2)J(chi(1), . . . , chi(m))(chi(1) . . . chi(m) nontrivial) i......

Complete weight enumerators for several classes of two-weight and three-weight linear codes

期刊: FINITE FIELDS AND THEIR APPLICATIONS, 2021; 75 ()

In this paper, for an odd prime p, by extending Li et al.'s construction [17], several classes of two-weight and three-weight linear codes over the fi......

Non-invertible-element constacyclic codes over finite PIRs

期刊: FINITE FIELDS AND THEIR APPLICATIONS, 2021; 75 ()

In this paper we introduce the notion of lambda-constacyclic codes over finite rings R for arbitrary element lambda of R. We study the non-invertible-......

Several classes of complete permutation polynomials with Niho exponents

期刊: FINITE FIELDS AND THEIR APPLICATIONS, 2021; 72 ()

In this paper, eight classes of complete permutation polynomials with Niho exponents are proposed. Based on certain polynomials over F-q(2) whose (q -......

Construction of long MDS self-dual codes from short codes

期刊: FINITE FIELDS AND THEIR APPLICATIONS, 2021; 72 ()

In this paper, we propose a mechanism on how to construct long MDS self-dual codes from short ones. These codes are special types of generalized Reed-......

An explicit expression for Euclidean self-dual cyclic codes of length 2(k) over Galois ring GR(4, m)

期刊: FINITE FIELDS AND THEIR APPLICATIONS, 2021; 72 ()

For any positive integers m and k, existing literature only determines the number of all Euclidean self-dual cyclic codes of length 2k over the Galois......

Further results on optimal ternary cyclic codes

期刊: FINITE FIELDS AND THEIR APPLICATIONS, 2021; 75 ()

Let C(u, v) denote the ternary cyclic code with two nonzeros and alpha(u) where alpha(v), is a generator of F-3*m and 0 <= u, v <= 3(m) - 2. In ......

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