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Periodic problem with o-Laplacian involving non-ordered lower and upper functions

Result description

Existence principles for the BVP $${/aligned (/phi(u^{/prime}))^{/prime}&=f(t,u,u^{/prime}),/ u(0)=u(T)&,/quad u^{/prime}(0)=u^{/prime}(T),/endaligned} /tag{1}$$ in which $f:[0,T]/times{/Bbb R}/to {/Bbb R}$ is an $L_1$-Carathéodory function and $/phi:{/Bbb R}/to {/Bbb R}$ is an increasing homeomorphism such that $/phi(/Bbb R)=/Bbb R$ are presented. They are based on the method of lower/upper functions and on Leray-Schauder topological degree. In contrast to the results known up to now, we need not assume that they are well-ordered.

Keywords

lower/upper functionsperiodic solutionstopological degree

The result's identifiers

Alternative languages

  • Result language

    angličtina

  • Original language name

    Periodic problem with o-Laplacian involving non-ordered lower and upper functions

  • Original language description

    Existence principles for the BVP $${/aligned (/phi(u^{/prime}))^{/prime}&=f(t,u,u^{/prime}),/ u(0)=u(T)&,/quad u^{/prime}(0)=u^{/prime}(T),/endaligned} /tag{1}$$ in which $f:[0,T]/times{/Bbb R}/to {/Bbb R}$ is an $L_1$-Carathéodory function and $/phi:{/Bbb R}/to {/Bbb R}$ is an increasing homeomorphism such that $/phi(/Bbb R)=/Bbb R$ are presented. They are based on the method of lower/upper functions and on Leray-Schauder topological degree. In contrast to the results known up to now, we need not assume that they are well-ordered.

  • Czech name

  • Czech description

Classification

  • Type

    Jx - Unclassified - Peer-reviewed scientific article (Jimp, Jsc and Jost)

  • CEP classification

    BA - General mathematics

  • OECD FORD branch

Result continuities

Others

  • Publication year

    2005

  • Confidentiality

    S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Data specific for result type

  • Name of the periodical

    Fixed point theory : An international journal on fixed point theory, computation and applications

  • ISSN

    1583-5022

  • e-ISSN

  • Volume of the periodical

    6

  • Issue of the periodical within the volume

    1

  • Country of publishing house

    RO - ROMANIA

  • Number of pages

    14

  • Pages from-to

  • UT code for WoS article

  • EID of the result in the Scopus database

Basic information

Result type

Jx - Unclassified - Peer-reviewed scientific article (Jimp, Jsc and Jost)

Jx

CEP

BA - General mathematics

Year of implementation

2005