[HTML][HTML] A new method to h-regularize finite topological spaces

J Cuevas-Rozo, L Lambán, A Romero, H Sarria - Discrete Mathematics, 2023 - Elsevier
The most useful methods for computing homology of finite topological spaces require that
certain regularity conditions are satisfied. In particular, the most suitable algorithmic …

An object-oriented interpretation of the EAT system

L Lambán, V Pascual, J Rubio - Applicable Algebra in Engineering …, 2003 - Springer
In a previous paper we characterized, in the Category Theory setting, a class of
implementations of Abstract Data Types, which has been suggested by the way of …

Combinatorial Koszul homology: Computations and applications

E Saenz-de-Cabezon - arxiv preprint arxiv:0803.0421, 2008 - arxiv.org
With a particular focus on explicit computations and applications of the Koszul homology
and Betti numbers of monomial ideals, the main goals of this thesis are the following …

Object oriented institutions to specify symbolic computation systems

C Domínguez, L Lambán, J Rubio - Rairo-Theoretical Informatics …, 2007 - cambridge.org
The specification of the data structures used in EAT, a software system for symbolic
computation in algebraic topology, is based on an operation that defines a link among …

Verifying the bridge between simplicial topology and algebra: the Eilenberg–Zilber algorithm

L Lambán, J Rubio, FJ Martín-Mateos… - Logic Journal of …, 2014 - academic.oup.com
Abstract The Eilenberg–Zilber algorithm is one of the central components of the computer
algebra system called Kenzo, devoted to computing in Algebraic Topology. In this article we …

ACL2 verification of simplicial degeneracy programs in the Kenzo system

FJ Martín-Mateos, J Rubio, JL Ruiz-Reina - International Conference on …, 2009 - Springer
Abstract Kenzo is a Computer Algebra system devoted to Algebraic Topology, and written in
the Common Lisp programming language. It is a descendant of a previous system called …

Integration of the Kenzo system within SageMath for new algebraic topology computations

J Cuevas-Rozo, J Divasón, M Marco-Buzunáriz… - Mathematics, 2021 - mdpi.com
This work integrates the Kenzo system within Sagemath as an interface and an optional
package. Our work makes it possible to communicate both computer algebra programs and …

Proving with ACL2 the correctness of simplicial sets in the Kenzo system

J Heras, V Pascual, J Rubio - … , LOPSTR 2010, Hagenberg, Austria, July 23 …, 2011 - Springer
Abstract Kenzo is a Common Lisp system devoted to Algebraic Topology. Although Kenzo
uses higher-order functional programming intensively, we show in this paper how the …

Executing in common lisp, proving in ACL2

M Andrés, L Lambán, J Rubio - International Conference on Mathematical …, 2007 - Springer
In this paper, an approach to integrate an already-written Common Lisp program for
algebraic manipulation with ACL2 proofs of properties of that program is presented. We …

Modeling inheritance as coercion in a symbolic computation system

C Domínguez, J Rubio - … of the 2001 international symposium on …, 2001 - dl.acm.org
In this paper the analysis of the data structures used in a symbolic computation system,
called Kenzo, is undertaken. We deal with the specification of the inheritance relationship …