Clark, Stephen L.; Zemánek, Petr On discrete symplectic systems: associated maximal and minimal linear relations and nonhomogeneous problems. (English) Zbl 1297.39008 J. Math. Anal. Appl. 421, No. 1, 779-805 (2015). MSC: 39A12 37J05 39A10 PDF BibTeX XML Cite \textit{S. L. Clark} and \textit{P. Zemánek}, J. Math. Anal. Appl. 421, No. 1, 779--805 (2015; Zbl 1297.39008) Full Text: DOI arXiv
Zemánek, Petr A note on the equivalence between even order Sturm-Liouville equations and symplectic systems on time scales. (English) Zbl 1348.34146 Appl. Math. Lett. 26, No. 1, 134-139 (2013). MSC: 34N05 34B24 34B20 39A12 PDF BibTeX XML Cite \textit{P. Zemánek}, Appl. Math. Lett. 26, No. 1, 134--139 (2013; Zbl 1348.34146) Full Text: DOI
Zemánek, Petr; Hasil, Petr Friedrichs extension of operators defined by even order Sturm-Liouville equations on time scales. (English) Zbl 1483.47019 Appl. Math. Comput. 218, No. 22, 10829-10842 (2012). MSC: 47A20 34N05 34B24 PDF BibTeX XML Cite \textit{P. Zemánek} and \textit{P. Hasil}, Appl. Math. Comput. 218, No. 22, 10829--10842 (2012; Zbl 1483.47019) Full Text: DOI