J 2016

Principal solutions at infinity for time scale symplectic systems without controllability condition

ŠEPITKA, Peter and Roman ŠIMON HILSCHER

Basic information

Original name

Principal solutions at infinity for time scale symplectic systems without controllability condition

Name in Czech

Hlavní řešení v nekonečnu pro symplektické systémy na časových škálách bez podmínky kontrolovatelnosti

Authors

ŠEPITKA, Peter (203 Czech Republic, belonging to the institution) and Roman ŠIMON HILSCHER (203 Czech Republic, guarantor, belonging to the institution)

Edition

Journal of Mathematical Analysis and Applications, Elsevier, 2016, 0022-247X

Other information

Language

English

Type of outcome

Article in a journal

Field of Study

10101 Pure mathematics

Country of publisher

United States of America

Confidentiality degree

is not subject to a state or trade secret

Impact factor

Impact factor: 1.064

RIV identification code

RIV/00216224:14310/16:00088010

Organization unit

Faculty of Science

UT WoS

000381956400003

Keywords (in Czech)

symplektický systém; časová škála; lineární hamiltonovský systém; hlavní řešení v nekonečnu; kontrolovatelnost; neoscilace

Keywords in English

Symplectic system; Time scale; Linear Hamiltonian system; Principal solution at infinity; Controllability; Nonoscillation

Tags

Tags

International impact, Reviewed
Changed: 9/4/2017 15:39, Ing. Andrea Mikešková

Abstract

V originále

In this paper we introduce a new concept of a principal solution at infinity for nonoscillatory symplectic dynamic systems on time scales. The main ingredient is that we avoid the controllability (or normality) condition, which is traditionally assumed in this theory in the current literature. We show that the principal solutions at infinity can be classified according to the eventual rank of their first component and that the principal solutions exist for all values of the rank between explicitly given minimal and maximal values. The minimal value of the rank is connected with the eventual order of abnormality of the system and it gives rise to the so-called minimal principal solution at infinity. We show that the uniqueness property of the principal solutions at infinity is satisfied only by the minimal principal solution. In this study we unify and extend to arbitrary time scales the recently introduced theory of principal and recessive solutions at infinity for possibly abnormal (continuous time) linear Hamiltonian differential systems and (discrete time) symplectic systems. Moreover, the new theory on time scales also shows that in some results from the continuous time theory the needed assumptions can be simplified.

Links

GA16-00611S, research and development project
Name: Hamiltonovské a symplektické systémy: oscilační a spektrální teorie
Investor: Czech Science Foundation