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Displaying 121 – 140 of 140

Functions with prescribed singularities

Giovanni Alberti, S. Baldo, G. Orlandi (2003)

Journal of the European Mathematical Society

The distributional $k$ -dimensional Jacobian of a map $u$ in the Sobolev space $W^{1, k - 1}$ which takes values in the sphere $S^{k - 1}$ can be viewed as the boundary of a rectifiable current of codimension $k$ carried by (part of) the singularity of $u$ which is topologically relevant. The main purpose of this paper is to investigate the range of the Jacobian operator; in particular, we show that any boundary $M$ of codimension $k$ can be realized as Jacobian of a Sobolev map valued in $S^{k - 1}$ . In case $M$ is polyhedral, the map we construct...

Functions without residue and a bilinear differential equation

Eduard Wirsing (1993)

Acta Arithmetica

Fundamental solutions to the fractional heat conduction equation in a ball under Robin boundary condition

Yuriy Povstenko (2014)

Open Mathematics

The central symmetric time-fractional heat conduction equation with Caputo derivative of order 0 < α ≤ 2 is considered in a ball under two types of Robin boundary condition: the mathematical one with the prescribed linear combination of values of temperature and values of its normal derivative at the boundary, and the physical condition with the prescribed linear combination of values of temperature and values of the heat flux at the boundary, which is a consequence of Newton’s law of convective...

Fundamental theorems of analysis in formally real fields.

Ilić Stepić, Angelina, Mijajlović, Žarko (2008)

Novi Sad Journal of Mathematics

Funktionen beschränkter Homogenität.

Eugen Magyari (1990)

Elemente der Mathematik

Funktionen von beschränkter Variation auf metrischen Räumen.

J. Kallies (1974)

Journal für die reine und angewandte Mathematik

Funzioni $(p,q)$ -convesse

Ennio De Giorgi, Antonio Marino, Mario Tosques (1982)

Atti della Accademia Nazionale dei Lincei. Classe di Scienze Fisiche, Matematiche e Naturali. Rendiconti Lincei. Matematica e Applicazioni

We study a class of functions which differ essentially from those which are the sum of a convex function and a regular one and which have interesting properties related to $\Gamma$ -convergence and to problems with non-convex constraints. In particular some results are given for the associated evolution equations.

Funzioni semiconcave, singolarità e pile di sabbia

Piermarco Cannarsa (2005)

Bollettino dell'Unione Matematica Italiana

La semiconcavità è una nozione che generalizza quella di concavità conservandone la maggior parte delle proprietà ma permettendo di ampliarne le applicazioni. Questa è una rassegna dei punti più salienti della teoria delle funzioni semiconcave, con particolare riguardo allo studio dei loro insiemi singolari. Come applicazione, si discuterà una formula di rappresentazione per la soluzione di un modello dinamico per la materia granulare.

Further Critical Cases of the Scalar Implicit Function Theorem.

G.J. Butler, H.I. Freedman (1972)

Aequationes mathematicae

Further development of an open problem.

Miao, Yu, Li, Junfen (2008)

JIPAM. Journal of Inequalities in Pure & Applied Mathematics [electronic only]

Further development of an open problem concerning an integral inequality.

Liu, Wen-Jun, Cheng, Guo-Sheng, Li, Chun-Cheng (2008)

JIPAM. Journal of Inequalities in Pure & Applied Mathematics [electronic only]

Further development of Qi-type integral inequality.

Miao, Yu (2006)

JIPAM. Journal of Inequalities in Pure & Applied Mathematics [electronic only]

Further extension of Stolarsky's inequality with general weights.

Abramovich, Shoshana, Pečarić, Josip, Varošanec, Sanja (1999)

Mathematica Pannonica

Further generalization of some double integral inequalities and applications.

Liu, Wenjun, Li, Chuncheng, Hao, Yongmei (2008)

Acta Mathematica Universitatis Comenianae. New Series

Further generalized versions of Ilmanen’s lemma on insertion of $C^{1, ω}$ or $C_{loc}^{1, ω}$ functions

Václav Kryštof (2021)

Commentationes Mathematicae Universitatis Carolinae

The author proved in 2018 that if $G$ is an open subset of a Hilbert space, $f_{1}, f_{2} : G \to ℝ$ continuous functions and $ω$ a nontrivial modulus such that $f_{1} \leq f_{2}$ , $f_{1}$ is locally semiconvex with modulus $ω$ and $f_{2}$ is locally semiconcave with modulus $ω$ , then there exists $f \in C_{loc}^{1, ω} (G)$ such that $f_{1} \leq f \leq f_{2}$ . This is a generalization of Ilmanen’s lemma (which deals with linear modulus and functions on an open subset of $ℝ^{n}$ ). Here we extend the mentioned result from Hilbert spaces to some superreflexive spaces, in particular to $L^{p}$ spaces, $p \in [2, \infty)$ . We also prove...

Currently displaying 121 – 140 of 140

Previous Page 7

Displaying 121 – 140 of 140

Functions with prescribed singularities

Functions without residue and a bilinear differential equation

Fundamental solutions to the fractional heat conduction equation in a ball under Robin boundary condition

Fundamental theorems of analysis in formally real fields.

Funktionen beschränkter Homogenität.

Funktionen von beschränkter Variation auf metrischen Räumen.

Funzioni $(p,q)$ -convesse

Funzioni semiconcave, singolarità e pile di sabbia

Further Critical Cases of the Scalar Implicit Function Theorem.

Further development of an open problem.

Further development of an open problem concerning an integral inequality.

Further development of Qi-type integral inequality.

Further extension of Stolarsky's inequality with general weights.

Further generalization of some double integral inequalities and applications.

Further generalized versions of Ilmanen’s lemma on insertion of $C^{1, ω}$ or $C_{loc}^{1, ω}$ functions

Further reverse results for Jensen's discrete inequality and applications in information theory.

Fuzzy similarity measure for generalized fuzzy numbers.

Fuzzy stability of Jensen-type quadratic functional equations.

Fuzzy stability of quadratic functional equations.

Fuzzy stability of the pexiderized quadratic functional equation: A fixed point approach.

Currently displaying 121 – 140 of 140