Thirty years of virtual substitution: Foundations, techniques, applications

T Sturm - Proceedings of the 2018 ACM International …, 2018 - dl.acm.org
In 1988, Weispfenning published a seminal paper introducing a substitution technique for
quantifier elimination in the linear theories of ordered and valued fields. The original focus …

New concepts for real quantifier elimination by virtual substitution

M Košta - 2016 - publikationen.sulb.uni-saarland.de
Quantifier elimination methods for real closed fields are an intensively studied subject from
both theoretical and practical points of view. This thesis studies quantifier elimination based …

A survey of some methods for real quantifier elimination, decision, and satisfiability and their applications

T Sturm - Mathematics in Computer Science, 2017 - Springer
Effective quantifier elimination procedures for first-order theories provide a powerful tool for
generically solving a wide range of problems based on logical specifications. In contrast to …

Limit cycles in a model of olfactory sensory neurons

Y **a, M Grašič, W Huang… - International Journal of …, 2019 - World Scientific
We propose an approach to study small limit cycle bifurcations on a center manifold in
analytic or smooth systems depending on parameters. We then apply it to the investigation …

Subtropical real root finding

T Sturm - Proceedings of the 2015 ACM International …, 2015 - dl.acm.org
We describe a new incomplete but terminating heuristic method for real root finding for large
multivariate polynomials. We take an abstract view of the polynomial as the set of exponent …

[PDF][PDF] Investigation of invariants of a chemical reaction system with algorithms of computer algebra

IK Aybar, OO Aybar, B Fercec… - … Math. Comput. Chem, 2015 - match.pmf.kg.ac.rs
In this paper the qualitative study of a reversible chemical reaction model represented by a
three-dimensional system of ordinary differential equations with nine parameters is …

Symbolic computation for the qualitative theory of differential equations

B Huang, W Niu, D Wang - Acta Mathematica Scientia, 2022 - Springer
This paper provides a survey on symbolic computational approaches for the analysis of
qualitative behaviors of systems of ordinary differential equations, focusing on symbolic and …

[HTML][HTML] Better answers to real questions

M Košta, T Sturm, A Dolzmann - Journal of Symbolic Computation, 2016 - Elsevier
We consider existential problems over the reals. Extended quantifier elimination generalizes
the concept of regular quantifier elimination by providing in addition answers, which are …

Quasi-steady state–intuition, perturbation theory and algorithmic algebra

A Goeke, S Walcher, E Zerz - … 2015, Aachen, Germany, September 14-18 …, 2015 - Springer
This survey of mathematical approaches to quasi-steady state (QSS) phenomena provides
an analytical foundation for an algorithmic-algebraic treatment of the associated (parameter …

Qualitative investigation of a gene model using computer algebra algorithms

F Boulier, M Han, F Lemaire… - … and Computer Software, 2015 - Springer
Using algorithms and packages for computer algebra, we investigate a three-dimensional
autonomous system of ordinary differential equations (ODEs) used in [1] to simulate the …