New effective differential Nullstellensatz

R Gustavson, M Kondratieva, A Ovchinnikov - Advances in Mathematics, 2016 - Elsevier
We show new upper and lower bounds for the effective differential Nullstellensatz for
differential fields of characteristic zero with several commuting derivations. Seidenberg was …

Proof mining and effective bounds in differential polynomial rings

W Simmons, H Towsner - Advances in Mathematics, 2019 - Elsevier
Using the functional interpretation from proof theory, we analyze nonconstructive proofs of
several central theorems about polynomial and differential polynomial rings. We extract …

[HTML][HTML] Effective uniform bounding in partial differential fields

J Freitag, OL Sánchez - Advances in Mathematics, 2016 - Elsevier
Motivated by the effective bounds found in [12] for ordinary differential equations, we prove
an effective version of uniform bounding for fields with several commuting derivations. More …

Nonstandard methods for bounds in differential polynomial rings

M Harrison-Trainor, J Klys, R Moosa - Journal of Algebra, 2012 - Elsevier
Motivated by the problem of the existence of bounds on degrees and orders in checking
primality of radical (partial) differential ideals, the nonstandard methods of van den Dries …

[PDF][PDF] Counting solutions of differential equations

M Lange-Hegermann - 2014 - publications.rwth-aachen.de
The aim of this thesis is a quantitative analysis of the set of solutions of a system of
differential equations. For this aim, this thesis generalizes the differential dimension …

[HTML][HTML] Effective differential Nullstellensatz for ordinary DAE systems with constant coefficients

L D'Alfonso, G Jeronimo, P Solernó - Journal of Complexity, 2014 - Elsevier
We give upper bounds for the differential Nullstellensatz in the case of ordinary systems of
differential algebraic equations over any field of constants K of characteristic 0. Let x be a set …

Bounds for elimination of unknowns in systems of differential-algebraic equations

A Ovchinnikov, G Pogudin, TN Vo - International Mathematics …, 2022 - academic.oup.com
Elimination of unknowns in systems of equations, starting with Gaussian elimination, is a
problem of general interest. The problem of finding an a priori upper bound for the number of …

Sparse differential resultant for Laurent differential polynomials

W Li, CM Yuan, XS Gao - Foundations of Computational Mathematics, 2015 - Springer
In this paper, we first introduce the concept of Laurent differentially essential systems and
give a criterion for a Laurent differential polynomial system to be Laurent differentially …

[HTML][HTML] On bounds for the effective differential Nullstellensatz

OL Sánchez, A Ovchinnikov - Journal of Algebra, 2016 - Elsevier
Understanding bounds for the effective differential Nullstellensatz is a central problem in
differential algebraic geometry. Recently, several bounds have been obtained using …

Bounds for orders of derivatives in differential elimination algorithms

R Gustavson, A Ovchinnikov, G Pogudin - Proceedings of the ACM on …, 2016 - dl.acm.org
We compute an upper bound for the orders of derivatives in the Rosenfeld-Grobner
algorithm. This algorithm computes a regular decomposition of a radical differential ideal in …