Results 31 to 40 of about 100,994 (269)

Sobolev norm estimates for a class of bilinear multipliers

open access: yes, 2013
We consider bilinear multipliers that appeared as a distinguished particular case in the classification of two-dimensional bilinear Hilbert transforms by Demeter and Thiele [9]. In this note we investigate their boundedness on Sobolev spaces. Furthermore,
Bernicot, Frédéric, Kovač, Vjekoslav
core   +2 more sources

Bilinear Fractional Integral Operators

open access: yes, 2020
We study the bilinear fractional integral considered by Kenig and Stein, where linear combinations of variables with matrix coefficients are involved. Under more general settings, we give a complete characterization of the corresponding parameters for which the bilinear fractional integral is bounded from $L^{p_1}(\mathbb R^{n_1}) \times L^{p_2 ...
Chen, Ting, Sun, Wenchang
openaire   +2 more sources

Diverse Multiple Lump Analytical Solutions for Ion Sound and Langmuir Waves

open access: yesMathematics, 2022
In this work, we study a time-fractional ion sound and Langmuir waves system (FISLWS) with Atangana–Baleanu derivative (ABD). We use a fractional ABD operator to transform our system into an ODE.
Abdulmohsen D. Alruwaili   +3 more
doaj   +1 more source

Bilinear quark operator renormalization at generalized symmetric point

open access: yes, 2016
We compute Green's functions with a bilinear quark operator inserted at non-zero momentum for a generalized momentum configuration to two loops. These are required to assist lattice gauge theory measurements of the same quantity in matching to the high ...
Bell, J. M., Gracey, J. A.
core   +1 more source

Quantum Gaudin model and classical KP hierarchy [PDF]

open access: yes, 2013
This short note is a review of the intriguing connection between the quantum Gaudin model and the classical KP hierarchy recently established in [1]. We construct the generating function of integrals of motion for the quantum Gaudin model with twisted ...
Zabrodin, A.
core   +1 more source

On summability of bilinear operators [PDF]

open access: yesMathematische Nachrichten, 2003
AbstractWe study some properties of strongly and absolutely p‐summing bilinear operators. We show that Hilbert‐Schmidt bilinear mappings are both strongly and absolutely p‐summing, for every p ≥ 1. Giving an example of a strongly 1‐summing bilinear mapping which fails to be weakly compact, we answer a question posed in [6].
Carando, Daniel, Dimant, Verónica
openaire   +2 more sources

Counting smaller elements in the Tamari and m-Tamari lattices

open access: yes, 2015
We introduce new combinatorial objects, the interval- posets, that encode intervals of the Tamari lattice. We then find a combinatorial interpretation of the bilinear operator that appears in the functional equation of Tamari intervals described by ...
Chatel, Grégory, Pons, Viviane
core   +3 more sources

Numerical Exploration of Thermal Shock Resistance in MgO–C Refractories

open access: yesAdvanced Engineering Materials, EarlyView.
A mesostructure‐resolved numerical framework is developed to evaluate the thermal shock resistance of MgO–C refractories. By modeling interface debonding under rapid temperature changes and introducing a modified thermal shock parameter that accounts for mesocracks, the study shows how graphite content and aggregate size influence thermal shock ...
Jishnu Vinayak Gopi   +3 more
wiley   +1 more source

The super BKP hierarchy from Clifford super module

open access: yesNuclear Physics B
The super BKP (SBKP) hierarchy in fermionic picture is constructed by embedding tensor product of infinite-dimensional Lie superalgebra of type B and Grassmann algebra into Clifford superalgebra.
Huizhan Chen
doaj   +1 more source

Tunable Bioresorbable Scaffolds With Marine Sulfated Polysaccharides for Small‐Caliber Vascular Grafts: A Multi‐Layered Strategy Combining Electrospinning and 4‐Axis Printing

open access: yesAdvanced Healthcare Materials, EarlyView.
A multilayered small‐caliber vascular scaffold combining electrospinning and 4‐axis printing is developed and biofunctionalized with marine sulfated polysaccharides from Holothuria tubulosa. The resulting construct exhibits enhanced hemocompatibility, tunable mechanical properties, and supports endothelial and smooth muscle cell adhesion and ...
Gabriele Obino   +9 more
wiley   +1 more source

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