Landau-type inequalities and <inline-formula><graphic file="1029-242X-1999-749652-i1.gif"/></inline-formula>-bounded solutions of neutral delay systems
<p/> <p>In Section 1 relations between various forms of Landau inequalities <inline-formula><graphic file="1029-242X-1999-749652-i2.gif"/></inline-formula> and Halperin–Pitt inequalities <inline-formula><graphic file="1029-242X-1999-749...
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doaj-619330b5a417416fb9b62421880182782020-11-24T23:17:01ZengSpringerOpenJournal of Inequalities and Applications1025-58341029-242X1999-01-0119994749652Landau-type inequalities and <inline-formula><graphic file="1029-242X-1999-749652-i1.gif"/></inline-formula>-bounded solutions of neutral delay systemsGünzler Hans<p/> <p>In Section 1 relations between various forms of Landau inequalities <inline-formula><graphic file="1029-242X-1999-749652-i2.gif"/></inline-formula> and Halperin–Pitt inequalities <inline-formula><graphic file="1029-242X-1999-749652-i3.gif"/></inline-formula> are discussed, for arbitrary norms, intervals and Banach-space-valued <inline-formula><graphic file="1029-242X-1999-749652-i4.gif"/></inline-formula>. In Section 2 such inequalities are derived for weighted <inline-formula><graphic file="1029-242X-1999-749652-i5.gif"/></inline-formula>-norms, Stepanoff- and Orlicz-norms.</p> <p>With this, Esclangon–Landau theorems for solutions y of linear neutral delay difference- differential systems are obtained: If <inline-formula><graphic file="1029-242X-1999-749652-i6.gif"/></inline-formula> is bounded e.g. in a weighted <inline-formula><graphic file="1029-242X-1999-749652-i7.gif"/></inline-formula>- or Stepanoff-norm, then so are the <inline-formula><graphic file="1029-242X-1999-749652-i8.gif"/></inline-formula>. This holds also for some nonlinear functional differential equations.</p>http://www.journalofinequalitiesandapplications.com/content/4/749652Landau inequalitiesEsclangon–Landau theorem<it>L</it><sup>P</sup>-bounded solutionsNeutral differential-difference systems |
collection |
DOAJ |
language |
English |
format |
Article |
sources |
DOAJ |
author |
Günzler Hans |
spellingShingle |
Günzler Hans Landau-type inequalities and <inline-formula><graphic file="1029-242X-1999-749652-i1.gif"/></inline-formula>-bounded solutions of neutral delay systems Journal of Inequalities and Applications Landau inequalities Esclangon–Landau theorem <it>L</it><sup>P</sup>-bounded solutions Neutral differential-difference systems |
author_facet |
Günzler Hans |
author_sort |
Günzler Hans |
title |
Landau-type inequalities and <inline-formula><graphic file="1029-242X-1999-749652-i1.gif"/></inline-formula>-bounded solutions of neutral delay systems |
title_short |
Landau-type inequalities and <inline-formula><graphic file="1029-242X-1999-749652-i1.gif"/></inline-formula>-bounded solutions of neutral delay systems |
title_full |
Landau-type inequalities and <inline-formula><graphic file="1029-242X-1999-749652-i1.gif"/></inline-formula>-bounded solutions of neutral delay systems |
title_fullStr |
Landau-type inequalities and <inline-formula><graphic file="1029-242X-1999-749652-i1.gif"/></inline-formula>-bounded solutions of neutral delay systems |
title_full_unstemmed |
Landau-type inequalities and <inline-formula><graphic file="1029-242X-1999-749652-i1.gif"/></inline-formula>-bounded solutions of neutral delay systems |
title_sort |
landau-type inequalities and <inline-formula><graphic file="1029-242x-1999-749652-i1.gif"/></inline-formula>-bounded solutions of neutral delay systems |
publisher |
SpringerOpen |
series |
Journal of Inequalities and Applications |
issn |
1025-5834 1029-242X |
publishDate |
1999-01-01 |
description |
<p/> <p>In Section 1 relations between various forms of Landau inequalities <inline-formula><graphic file="1029-242X-1999-749652-i2.gif"/></inline-formula> and Halperin–Pitt inequalities <inline-formula><graphic file="1029-242X-1999-749652-i3.gif"/></inline-formula> are discussed, for arbitrary norms, intervals and Banach-space-valued <inline-formula><graphic file="1029-242X-1999-749652-i4.gif"/></inline-formula>. In Section 2 such inequalities are derived for weighted <inline-formula><graphic file="1029-242X-1999-749652-i5.gif"/></inline-formula>-norms, Stepanoff- and Orlicz-norms.</p> <p>With this, Esclangon–Landau theorems for solutions y of linear neutral delay difference- differential systems are obtained: If <inline-formula><graphic file="1029-242X-1999-749652-i6.gif"/></inline-formula> is bounded e.g. in a weighted <inline-formula><graphic file="1029-242X-1999-749652-i7.gif"/></inline-formula>- or Stepanoff-norm, then so are the <inline-formula><graphic file="1029-242X-1999-749652-i8.gif"/></inline-formula>. This holds also for some nonlinear functional differential equations.</p> |
topic |
Landau inequalities Esclangon–Landau theorem <it>L</it><sup>P</sup>-bounded solutions Neutral differential-difference systems |
url |
http://www.journalofinequalitiesandapplications.com/content/4/749652 |
work_keys_str_mv |
AT g252nzlerhans landautypeinequalitiesandinlineformulagraphicfile1029242x1999749652i1gifinlineformulaboundedsolutionsofneutraldelaysystems |
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