activity
20142026
most citedConstruction of sequences with high nonlinear complexity from a generalization of the Hermitian function field

6 citations · 10 across the 19 of their papers we have counts for

collaborators

22 papers

cs.IT2026

Permutation Decoding of AG Codes from Curves Defined by Separated Polynomials

Alonso S. Castellanos, Guilherme Tizziotti, Wilson Olaya-León

In this work, we investigate permutation decoding for algebraic geometry (AG) codes arising from algebraic curves defined by separated polynomials. Using automorphisms of the under…

math.NT2026

On planar functions over

João Paulo Guardieiro, Adler Marques, Luciane Quoos +1

Let denote the finite field of order . For odd, we investigate the planarity over of the family $$ f_{E,A,B,C,D}(X) := EX^2+ AX^{q+1}+ BX^{…

math.NT2025

A closed formula for the Geil-Matsumoto bound on numerical semigroups via Apéry sets

Adler Marques, Erik Mendoza, Luciane Quoos +1

The Geil-Matsumoto bound (GM bound) constrains the number of rational points on a curve over a finite field in terms of the Weierstrass semigroup of any of the points on the curve.…

math.AG2025

On generalized Weierstrass Semigroups in arbitrary Kummer extensions of

Alonso S. Castellanos, Erik A. R. Mendoza, Guilherme Tizziotti

In this work, we investigate generalized Weierstrass semigroups in arbitrary Kummer extensions of function field . We analyze their structure and properties, with…

cs.IT2023

The Set of Pure Gaps at Several Rational Places in Function Fields

Alonso S. Castellanos, Erik A. R. Mendoza, Guilherme Tizziotti

In this work, using maximal elements in generalized Weierstrass semigroups and its relationship with pure gaps, we extend the results in \cite{CMT2024} and provide a way to complet…

math.GR2023

On atoms of the set of generalized numerical semigroups with fixed corner element

Matheus Bernardini, Alonso S. Castellanos, Wanderson Tenório +1

We study the so-called atomic GNS, which naturally extends the concept of atomic numerical semigroup. We introduce the notion of corner special gap and we characterize the class of…

math.NT2023

Complete set of Pure Gaps in Function Fields

Alonso S. Castellanos, Erik A. R. Mendoza, Guilherme Tizziotti

In this work, we provide a way to completely determine the set of pure gaps at two rational places in a function field over a finite field $\mathbb{F…

math.AG2023

On the automorphism group of a family of maximal curves not covered by the Hermitian curve

Maria Montanucci, Guilherme Tizziotti, Giovanni Zini

In this paper we compute the automorphism group of the curves and introduced in Tafazolian et al. in 2016 as new examples of maximal cur…

math.GR2022

The corner element of generalized numerical semigroups

Matheus Bernardini, Wanderson Tenório, Guilherme Tizziotti

In this paper we introduce the concept of corner element of a generalized numerical semigroup, which extends in a sense the idea of conductor of a numerical semigroup to generalize…

math.AG2021

Generalized Weierstrass semigroups at several points on certain maximal curves which cannot be covered by the Hermitian curve

M. Montanucci, G. Tizziotti

In this paper we determine the generalized Weierstrass semigroup , and consequently the Weierstrass semigroup $H(P_{\infty}, P_1, \ld…

math.NT2020

On the existence of pairs of primitive and normal elements over finite fields

Cícero Carvalho, João Paulo Guardieiro, Victor G. L. Neumann +1

Let be a finite field with elements, and let and be positive integers. Given polynomials with $\textrm{deg…

math.NT2020★ 2 cited

On existence of some special pair of primitive elements over finite fields

C. Carvalho, J. P. G. Sousa, V. G. L. Neumann +1

In this paper we generalize the results of Sharma, Awasthi and Gupta (see \cite{SAG}). We work over a field of any characteristic with elements and we give a sufficient c…

cs.IT2019★ 6 cited

Construction of sequences with high nonlinear complexity from a generalization of the Hermitian function field

Alonso S. Castellanos, Luciane Quoos, Guilherme Tizziotti

For an odd integer, we provide a sequence from the function field of the maximal curve over defined by the affine equation $y^…

math.AG2018

On Weierstrass gaps at several points

Wanderson Tenório, Guilherme Tizziotti

We consider the problem of determining Weierstrass gaps and pure Weierstrass gaps at several points. Using the notion of relative maximality in generalized Weierstrass semigroups d…

math.AG2018

Subcovers and codes on the curves

Herivelto Borges, Alonso S. Castellanos, Guilherme Tizziotti

In this work, subcovers of the curve are constructed, the Weierstrass semigroup at the point $P_\infty \in \mathcal{X}_{n,r}…

math.AG2017

Generalized Weierstrass semigroups and Riemann-Roch spaces for certain curves with separated variables

Wanderson Tenório, Guilherme Tizziotti

In this work we study the generalized Weierstrass semigroup at an -tuple of rational points on certain curv…

math.AG2017

Weierstrass Semigroup and Pure Gaps at several points on the curve

Alonso S. Castellanos, Guilherme Tizziotti

We determine the Weierstrass semigroup at several points on the curve. In addition, we present conditions to find pure gaps on the set o…

math.AG2017

On Gröbner Basis for certain one-point AG codes

Federico Fornasiero, Guilherme Tizziotti

In this work we present a way to construct the so-called root diagram for one-point AG codes arising from certain types of curves over with plane m…

math.AG2017

On Weierstrass semigroup at points on curves of the type f(y) = g(x)

A. S. Castellanos, G. Tizziotti

In this work we determine the so-called minimal generating set of the Weierstrass semigroup of certain points on curves with plane model of the type …

math.RA2016

On k-sparse numerical semigroups

G. Tizziotti, J. Villanueva

Given a positive integer k, we investigate the class of numerical semigroups verifying the property that every two subsequent non gaps, smaller than the conductor, are spaced by at…

math.AG2015★ 2 cited

Two-point AG codes on the GK maximal curves

Alonso Sepúlveda, Guilherme Tizziotti

We determine de Weierstrass semigroup of a pair of certain rational points on the GK-curves. We use this semigroup to obtain two-point AG codes with better parameters than comparab…

math.AG2014

Weierstrass semigroup and Automorphism group of the curves

Herivelto Borges, Alonso Sepúlveda, Guilherme Tizziotti

In this paper, we determine the Weierstrass semigroup and the full automorphism group of a certain family of curves , which was recently introduc…