Chrastinová, Veronika; Tryhuk, Václav The Poincaré-Cartan forms of one-dimensional variational integrals. (English) Zbl 1505.49001 Math. Slovaca 70, No. 6, 1381-1412 (2020). MSC: 49-01 49K15 58A17 70H45 PDFBibTeX XMLCite \textit{V. Chrastinová} and \textit{V. Tryhuk}, Math. Slovaca 70, No. 6, 1381--1412 (2020; Zbl 1505.49001) Full Text: DOI
Chrastinová, Veronika; Tryhuk, Václav On the internal approach to differential equations. II: The controllability structure. (English) Zbl 1455.58014 Math. Slovaca 67, No. 4, 1011-1030 (2017). MSC: 58J99 58A17 35A30 34A05 PDFBibTeX XMLCite \textit{V. Chrastinová} and \textit{V. Tryhuk}, Math. Slovaca 67, No. 4, 1011--1030 (2017; Zbl 1455.58014) Full Text: DOI arXiv
Chrastinová, Veronika; Tryhuk, Václav On the internal approach to differential equations. III: Infinitesimal symmetries. (English) Zbl 1399.58002 Math. Slovaca 66, No. 6, 1459-1474 (2016). MSC: 58A17 58J99 35A30 PDFBibTeX XMLCite \textit{V. Chrastinová} and \textit{V. Tryhuk}, Math. Slovaca 66, No. 6, 1459--1474 (2016; Zbl 1399.58002) Full Text: DOI arXiv
Chrastinová, Veronika; Tryhuk, Václav On the internal approach to differential equations. I: The involutiveness and standard basis. (English) Zbl 1399.58001 Math. Slovaca 66, No. 4, 999-1018 (2016). MSC: 58A17 35A30 58E30 PDFBibTeX XMLCite \textit{V. Chrastinová} and \textit{V. Tryhuk}, Math. Slovaca 66, No. 4, 999--1018 (2016; Zbl 1399.58001) Full Text: DOI arXiv
Tryhuk, Václav; Chrastinová, Veronika Equivalence of difference equations within the web theory. (English) Zbl 1274.39017 Math. Slovaca 62, No. 4, 735-750 (2012). MSC: 39A12 58A10 53C20 53A60 PDFBibTeX XMLCite \textit{V. Tryhuk} and \textit{V. Chrastinová}, Math. Slovaca 62, No. 4, 735--750 (2012; Zbl 1274.39017) Full Text: DOI
Chrastinová, Veronika; Tryhuk, Václav On the Mayer problem. II: Examples. (English) Zbl 1032.49028 Math. Slovaca 52, No. 5, 571-590 (2002). Reviewer: Michal Fečkan (Bratislava) MSC: 49K15 34A26 58A17 PDFBibTeX XMLCite \textit{V. Chrastinová} and \textit{V. Tryhuk}, Math. Slovaca 52, No. 5, 571--590 (2002; Zbl 1032.49028) Full Text: EuDML
Chrastinová, Veronika; Tryhuk, Václav On the Mayer problem. I: General principles. (English) Zbl 1032.49027 Math. Slovaca 52, No. 5, 555-570 (2002). Reviewer: Michal Fečkan (Bratislava) MSC: 49K15 34A26 58A17 PDFBibTeX XMLCite \textit{V. Chrastinová} and \textit{V. Tryhuk}, Math. Slovaca 52, No. 5, 555--570 (2002; Zbl 1032.49027) Full Text: EuDML