Results 11 to 20 of about 4,196,105 (283)

LIPSCHITZ SPACES AND BOUNDED MEAN OSCILLATION OF HARMONIC MAPPINGS [PDF]

open access: yesBulletin of the Australian Mathematical Society, 2013
Abstract We first study the bounded mean oscillation of planar harmonic mappings. Then we establish a relationship between Lipschitz-type spaces and equivalent modulus of real harmonic mappings. Finally, we obtain sharp estimates on the Lipschitz number of planar harmonic mappings in terms of the bounded mean ...
Chen, Shaolin   +3 more
core   +5 more sources

Some unsolved problems on meromorphic functions of uniformly bounded characteristic

open access: yesInternational Journal of Mathematics and Mathematical Sciences, 1985
The family UBC(R) of meromorphic functions of uniformly bounded characteristic in a Rieman surface R is defined in terms of the Shimizu-Ahlfors characteristic function.
Shinji Yamashita
doaj   +2 more sources

Oscillatory and non-oscillatory solutions of dynamic equations with bounded coefficients [PDF]

open access: yesElectronic Journal of Differential Equations, 2018
We analyze second-order half-linear dynamic equations on time scales. We prove oscillation and non-oscillation criteria which are sharp in the sense that the considered equations remain uncovered only for one setting of their coefficients.
Petr Hasil, Michal Vesely
doaj   +3 more sources

Mean oscillation bounds on rearrangements [PDF]

open access: yesTransactions of the American Mathematical Society, 2022
We use geometric arguments to prove explicit bounds on the mean oscillation for two important rearrangements on R
Burchard, Almut   +2 more
openaire   +2 more sources

The Helmholtz decomposition of a space of vector fields with bounded mean oscillation in a bounded domain [PDF]

open access: yes, 2021
We introduce a space of vector fields with bounded mean oscillation whose "tangential"and "normal" components to the boundary behave differently. We establish its Helmholtz decomposition when the domain is bounded. This substantially extends the authors'
Gu, Zhongyang, Giga, Yoshikazu
core   +1 more source

Bounded Point Derivations and Functions of Bounded Mean Oscillation [PDF]

open access: yesComputational Methods and Function Theory, 2021
14 pages, 1 ...
openaire   +3 more sources

On functions of bounded β-dimensional mean oscillation

open access: yesAdvances in Calculus of Variations, 2023
Abstract In this paper, we define a notion of β-dimensional mean oscillation of functions u : Q
Chen, You-Wei, Spector, Daniel
openaire   +2 more sources

On the Space of Bounded Mean Oscillations

open access: yesJournal of the Institute of Engineering, 2021
The space of bounded mean oscillations, abbreviated BMO, was first introduced by F. John and L. Nirenberg in 1961 in the context of partial differential equations. Later, C. Fefferman proved that the BMO is the dual space of well-known Hardy space, popularly known as H1 space and became the center of attraction for mathematicians.
Santosh Ghimire, Aarjan Kumar Sunar
openaire   +2 more sources

Normal trace for vector fields of bounded mean oscillation [PDF]

open access: yes, 2020
We introduce various spaces of vector fields of bounded mean oscillation (BMO) defined in a domain so that normal trace on the boundary is bounded when its divergence is well controlled.
Gu, Zhongyang, Giga, Yoshikazu
core   +1 more source

Some estimates for the commutators of multilinear maximal function on Morrey-type space

open access: yesOpen Mathematics, 2021
In this paper, we study the equivalent conditions for the boundedness of the commutators generated by the multilinear maximal function and the bounded mean oscillation (BMO) function on Morrey space.
Yu Xiao, Zhang Pu, Li Hongliang
doaj   +1 more source

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