Šepitka, Peter; Šimon Hilscher, Roman Recessive solutions for nonoscillatory discrete symplectic systems. (English) Zbl 1307.39007 Linear Algebra Appl. 469, 243-275 (2015). MSC: 39A21 39A12 37J05 34B24 15A09 93B05 PDFBibTeX XMLCite \textit{P. Šepitka} and \textit{R. Šimon Hilscher}, Linear Algebra Appl. 469, 243--275 (2015; Zbl 1307.39007) Full Text: DOI
Kratz, Werner; Šimon Hilscher, Roman Rayleigh principle for linear Hamiltonian systems without controllability. (English) Zbl 1254.34120 ESAIM, Control Optim. Calc. Var. 18, No. 2, 501-519 (2012). Reviewer: Yulian An (Shanghai) MSC: 34L05 34C10 34L10 34B09 PDFBibTeX XMLCite \textit{W. Kratz} and \textit{R. Šimon Hilscher}, ESAIM, Control Optim. Calc. Var. 18, No. 2, 501--519 (2012; Zbl 1254.34120) Full Text: DOI EuDML
Hilscher, Roman; Zeidan, Vera Weak maximum principle and accessory problem for control problems on time scales. (English) Zbl 1157.49030 Nonlinear Anal., Theory Methods Appl., Ser. A, Theory Methods 70, No. 9, 3209-3226 (2009). MSC: 49K15 39A12 34K35 49N25 93B05 93C15 93C55 PDFBibTeX XMLCite \textit{R. Hilscher} and \textit{V. Zeidan}, Nonlinear Anal., Theory Methods Appl., Ser. A, Theory Methods 70, No. 9, 3209--3226 (2009; Zbl 1157.49030) Full Text: DOI
Hilscher, Roman A time scales version of a Wirtinger-type inequality and applications. (English) Zbl 1025.26012 J. Comput. Appl. Math. 141, No. 1-2, 219-226 (2002). Reviewer: Ondřej Došlý (Brno) MSC: 26D10 39A10 34C10 PDFBibTeX XMLCite \textit{R. Hilscher}, J. Comput. Appl. Math. 141, No. 1--2, 219--226 (2002; Zbl 1025.26012) Full Text: DOI
Hilscher, Roman Inhomogeneous quadratic functionals on time scales. (English) Zbl 0974.39008 J. Math. Anal. Appl. 253, No. 2, 473-481 (2001). Reviewer: Yang En-Hao (Guangzhou) MSC: 39A12 37J05 PDFBibTeX XMLCite \textit{R. Hilscher}, J. Math. Anal. Appl. 253, No. 2, 473--481 (2001; Zbl 0974.39008) Full Text: DOI
Hilscher, R. Linear Hamiltonian systems on time scales: Positivity of quadratic functionals. (English) Zbl 0982.37054 Math. Comput. Modelling 32, No. 5-6, 507-527 (2000). Reviewer: William J.Satzer jun.(St.Paul) MSC: 37J10 93C70 37J99 PDFBibTeX XMLCite \textit{R. Hilscher}, Math. Comput. Modelling 32, No. 5--6, 507--527 (2000; Zbl 0982.37054) Full Text: DOI