Results 61 to 70 of about 2,417,266 (139)

Gabor Transform Associated with the Dunkl–Bessel Transform and Spectrograms

open access: yesSymmetry
Time–frequency (or space–phase) analysis plays a key role in signal analysis. In particular, signals that have a very concentrated time–frequency content are of great importance. However, the uncertainty principle sets a limitation to the possible simultaneous concentration of a function and its Dunkl–Bessel transform.
Saifallah Ghobber   +2 more
openaire   +1 more source

Quantification of sediment fluxes and intermittencies from Oligo–Miocene megafan deposits in the Swiss Molasse basin

open access: yesBasin Research, Volume 36, Issue 2, March–April 2024.
This study investigates how three palaeo‐depositional systems situated in the Swiss Molasse basin (North to the Central European Alps; details in Fig. 1) record the tecto‐geomorphic and climatic boundary conditions of the source area through Oligo‐Miocene times.
Philippos Garefalakis   +4 more
wiley   +1 more source

Pitt's inequalities and uncertainty principle for generalized Fourier transform

open access: yes, 2015
We study the two-parameter family of unitary operators \[ \mathcal{F}_{k,a}=\exp\Bigl(\frac{i\pi}{2a}\,(2\langle k\rangle+{d}+a-2 )\Bigr) \exp\Bigl(\frac{i\pi}{2a}\,\Delta_{k,a}\Bigr), \] which are called $(k,a)$-generalized Fourier transforms and ...
Gorbachev, Dmitry   +2 more
core  

Riesz transform and Riesz potentials for Dunkl transform

open access: yesJournal of Computational and Applied Mathematics, 2007
Analogous of Riesz potentials and Riesz transforms are defined and studied for the Dunkl transform associated with a family of weighted functions that are invariant under a reflection group. The $L^p$ boundedness of these operators is established in certain cases.
Thangavelu, Sundaram, Xu, Yuan
openaire   +2 more sources

Dunkl-Gabor transform and time-frequency concentration [PDF]

open access: yesCzechoslovak Mathematical Journal, 2015
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
openaire   +2 more sources

Implementing cell-free DNA of pancreatic cancer patient-derived organoids for personalized oncology. [PDF]

open access: yesJCI Insight, 2020
Dantes Z   +46 more
europepmc   +1 more source

Improved estimates for the triangle inequality. [PDF]

open access: yesJ Inequal Appl, 2017
Minculete N, Păltănea R.
europepmc   +1 more source

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