Results 31 to 40 of about 12,358 (240)

Extension of Mikhlin Multiplier Theorem to Fractional Derivatives and Stable Processes [PDF]

open access: yes, 2018
In this paper, we prove a new generalized Mikhlin multiplier theorem whose conditions are given with respect to fractional derivatives in integral forms with two different integration intervals.
Karli, Deniz
core   +2 more sources

Fractional Dynamics and Fixed Point Theorems in Neutrosophic MR-Metric Spaces with Applications to Network Systems [PDF]

open access: yesNeutrosophic Sets and Systems
This paper introduces and analyzes the structure of Neutrosophic MR Metric Spaces (NMR-MS) and their graph-based variants, termed Neutrosophic Graph MR-Metric Spaces (NGMR-MS).
Abed Al-Rahman M. Malkawi   +1 more
doaj   +1 more source

Isoperimetric problems of the calculus of variations with fractional derivatives [PDF]

open access: yes, 2011
In this paper we study isoperimetric problems of the calculus of variations with left and right Riemann-Liouville fractional derivatives. Both situations when the lower bound of the variational integrals coincide and do not coincide with the lower bound ...
Agrawal   +35 more
core   +3 more sources

Subordination Pathways to Fractional Diffusion

open access: yes, 2011
The uncoupled Continuous Time Random Walk (CTRW) in one space-dimension and under power law regime is splitted into three distinct random walks: (rw_1), a random walk along the line of natural time, happening in operational time; (rw_2), a random walk ...
D. Fulger   +17 more
core   +1 more source

Gapless Superconductivity From Extremely Dilute Magnetic Disorder in 2H‐NbSe2‐xSx

open access: yesAdvanced Materials, EarlyView.
We demonstrate that 2H‐NbSe2‐xSx hosts gapless superconductivity at unexpectedly low magnetic impurity concentrations. Combining STM, Bogoliubovde Gennes simulations, DFT, and quasiparticle interference, we comprehensively study the development of gapless behavior and show that SeS substitution reshapes the band structure, enhances nesting, and drives ...
Jose Antonio Moreno   +16 more
wiley   +1 more source

Gradient Ion Beams Regulate Surface Group Modification to Enhance Interfacial Charge Transport in Triboelectric Polymers

open access: yesAdvanced Science, EarlyView.
This study addresses the core scientific question of atomic‐scale structural units and their assembly mechanisms by integrating ion implantation technology— originally developed in nuclear physics research—with flexible intelligent polymers. Through this interdisciplinary approach, we have enabled on‐demand customization of surface functionalities and ...
Yi Chen   +11 more
wiley   +1 more source

A brief survey of Nigel Kalton's work on interpolation and related topics [PDF]

open access: yes, 2014
This is the third of a series of papers surveying some small part of the remarkable work of our friend and colleague Nigel Kalton. We have written it as part of a tribute to his memory. It does not contain new results.
Cwikel, Michael   +2 more
core  

Spectral‐Integrated Thermal Absorption Model for Broadband Laser‐Protective Reflectors Under Supercontinuum Irradiation

open access: yesAdvanced Science, EarlyView.
A universal laser absorption model based on spectral integration enables the design of ultrabroadband dielectric multilayer reflectors for laser protection. The model reveals exponential decay of absorption characterized by two coefficients, and a design that prioritizes short‐wavelength reflection minimizes heating.
Yukang Feng   +8 more
wiley   +1 more source

Five Years of Continuous-time Random Walks in Econophysics

open access: yes, 2004
This paper is a short review on the application of continuos-time random walks to Econophysics in the last five years.Comment: 14 pages.
Scalas, Enrico
core   +2 more sources

Critical Limitations in Cryogenic Laser Cooling of Solids: Symmetry‐Related Fluorescence Trapping and Condensation‐Induced Parasitic Heating

open access: yesAdvanced Science, EarlyView.
This study uncovers two overlooked bottlenecks in cryogenic laser cooling of solids: symmetry‐driven fluorescence trapping and water vapor condensation. We demonstrate that breaking sample symmetry enhances fluorescence escape, while condensation dominates parasitic heating below 135 K.
Biao Zhong   +5 more
wiley   +1 more source

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