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Products of Toeplitz operators and Hankel operators

100%

Lu Y., Kong L.

Studia Mathematica

2014

tom 220

nr 3

277-292

We first determine when the sum of products of Hankel and Toeplitz operators is equal to zero; then we characterize when the product of a Toeplitz operator and a Hankel operator is a compact perturbation of a Hankel operator or a Toeplitz operator and when it is a finite rank perturbation of a Toeplitz operator.

Fractional Hajłasz-Morrey-Sobolev spaces on quasi-metric measure spaces

81%

Yuan W., Lu Y., Yang D.

Studia Mathematica

2015

tom 226

nr 2

95-122

In this article, via fractional Hajłasz gradients, the authors introduce a class of fractional Hajłasz-Morrey-Sobolev spaces, and investigate the relations among these spaces, (grand) Morrey-Triebel-Lizorkin spaces and Triebel-Lizorkin-type spaces on both Euclidean spaces and RD-spaces.

Ograniczanie wyników

2 Studia Mathematica

2 Lu Y.

1 Kong L.

1 Yang D.

1 Yuan W.

1 2015

1 2014

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Products of Toeplitz operators and Hankel operators

Fractional Hajłasz-Morrey-Sobolev spaces on quasi-metric measure spaces