Results 311 to 320 of about 2,130,840 (372)

Resurgence of Chern-Simons Theory at the Trivial Flat Connection. [PDF]

Commun Math Phys
Garoufalidis S, Gu J, Mariño M, Wheeler C.   +3 more
europepmc   +1 more source

Ultrafast Transient Absorption Studies of the Dynamics of Free and Coulombically Trapped Polarons in Doped Conjugated Polymers

Advanced Functional Materials, EarlyView.
Transient absorption measurements of doped conjugated polymer films show that small dopant ions create both free and Coulomb‐trapped polarons regardless of polymer morphology, but large dodecaborane‐based dopant ions create only free polarons even though the large ions cause the films to be more disordered.
Eric C. Wu, Diego Garcia Vidales, Charlene Z. Salamat, Quynh M. Duong, Alex León Ruiz, Austin D. Ready, Zerina Mehmedović, Dane A. Stanfield, Alexander M. Spokoyny, Sarah H. Tolbert, Benjamin J. Schwartz   +10 more
wiley   +1 more source

Optimizing (1‐x) BiFeO3‐xCaTiO3 Perovskites: A Pathway to Efficient Flexible Energy Storage

Advanced Functional Materials, EarlyView.
Perovskite materials, like BFO CTO, are popular due to their high conductivity, low cost, and wide availability. In this work a symmetric electrochemical cell based on BFO‐CTO shows a charge of 3.356 C.cm⁻2, giving a specific capacitance of 2.79 mF.cm⁻2 at 1 mV.s⁻2.
Febin Paul, Shahina Shareef, Eric Kumi Barimah, Mustehsan Beg, Keng Goh, Gin Jose, Zhilun Lu, Libu Manjakkal   +7 more
wiley   +1 more source

The Maximal Singular Integral: Estimates in Terms of the Singular Integral [PDF]

, 2012
This paper considers estimates of the maximal singular integral T ⋆ f in terms of the singular integral Tf only. The most basic instance of the estimates we look for is the L 2(ℝ n ) inequality ∥T ⋆ f∥2⩽C∥Tf∥2.
J. Verdera
semanticscholar   +4 more sources

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The singular integral operator and its commutator on weighted Morrey spaces

, 2016
In this paper, we give necessary conditions and sufficient conditions respectively for the boundedness of the singular integral operator on the weighted Morrey spaces. We observe the phenomenon unique to the case of Morrey spaces; the $$A_q$$Aq-theory by
Shohei Nakamura, Y. Sawano
semanticscholar   +1 more source

On a singular integral operator

Russian Mathematical Surveys, 1988
Let D(\(\subset {\mathbb{C}})\) be a bounded domain with the smooth boundary. The authors consider an operator of the form \(A=a(z)I+b(z)K+c(z)S+d(z)KS\) acting in the space \(L^ p(D ...
K Kh Boimatov, G Dzhangibekov
openaire   +4 more sources

Singularities of Solutions of Singular Integral Equations

Ukrainian Mathematical Journal, 2002
This paper deals with a singular integral equation \[ Sq+Tq=f,\tag{1} \] where \(q(x)\) is an unknown function, \[ Sq(x):=aq(x)+\frac{1}{\pi }\text{v.p.} \int_{-1}^{1} \frac{q(\tau)}{\tau -x} d\tau,\;Tq(x):=\int_{-1}^{1}K(x,\tau)q(\tau) d\tau. \] It is assumed that the functions \(f\) and \(K\) smoothly depend on additional parameters.
V. E. Kapustyan, V. M. Il'man
openaire   +2 more sources

On singular integrals

2011
§ 1. In these lectures I present some of the results obtained jointly with A. P. Calderon during the last few years. Not all the results stated here are accompanied by proofs, and for additional details the reader is referred to original papers (**).
openaire   +3 more sources

Product Integration for Singular Integrals and Singular Integral Equations

1979
Integral equations with weakly singular kernels often have solutions which have derivative singularities at the end points of the range of integration. The error analysis of a product integration method for such integral equations depends on the error analysis of the product integration method applied to integrals of the form \(\int\limits_0^1 {g\left(
openaire   +2 more sources