Results 151 to 160 of about 4,997 (268)

Cazenave‐Dickstein‐Weissler‐Type Extension of Fujita'S Problem on Heisenberg Groups

open access: yesMathematical Methods in the Applied Sciences, Volume 49, Issue 2, Page 499-511, 30 January 2026.
ABSTRACT This paper investigates the Fujita critical exponent for a heat equation with nonlinear memory posed on the Heisenberg groups. A sharp threshold is identified such that, for exponent values less than or equal to this critical value, no global solution exists, regardless of the choice of nonnegative initial data. Conversely, for exponent values
Mokhtar Kirane   +3 more
wiley   +1 more source

An Epsilon‐Near‐Zero‐Based Nonlinear Platform for Ultrafast Re‐Writable Holography

open access: yesNanophotonics, Volume 15, Issue 2, 27 January 2026.
We show that an unstructured, sub‐wavelength thick epsilon‐near‐zero material, such as ITO, can be efficiently used for ultrafast re‐writable holography over a broad bandwidth range. We showcase two powerful applications of our scheme, that is, spatial structuring of light and optical computation.
M. Zahirul Alam   +5 more
wiley   +1 more source

Vibration Analysis of Multilayer Stepped Cross-Sectional Carbon Nanotubes. [PDF]

open access: yesNanomaterials (Basel)
Yildiz YO   +4 more
europepmc   +1 more source

Strong Wind‐Driven Oceanic Forcing on Decadal SST Variability Over the Global Ocean

open access: yesGeophysical Research Letters, Volume 53, Issue 1, 16 January 2026.
Abstract Gu et al. (2024, https://doi.org/10.1029/2023GL107401) recently provided the first quantitative assessment of oceanic and atmospheric forcing on decadal sea surface temperature (SST) variability globally in observations. However, the validity of their simplified statistical method in the complex climate system remains uncertain.
Tianying Liu, Zhengyu Liu, Peng Gu
wiley   +1 more source

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