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Highly Cited

2017

Highly Cited

2017

We obtain a Bloom‐type characterization of the two‐weighted boundedness of iterated commutators of singular integrals. The…

2015

2015

Fix $\lambda>0$. Consider the Hardy space $H^1(\mathbb{R}_+,dm_\lambda)$ in the sense of Coifman and Weiss, where $\mathbb{R_…

Highly Cited

2014

Highly Cited

2014

We investigate entropic uncertainty relations for two or more binary measurements, for example spin-$\frac{1}{2}$ or polarisation…

2013

2013

Let \(G\) be a finite group. We show that the order of the subgroup generated by coprime \(\gamma_k\)-commutators (respectively…

Review

2011

Review

2011

Let $b$ be a $BMO$-function. It is well-known that the linear commutator $[b, T]$ of a Calderon-Zygmund operator $T$ does not, in…

Highly Cited

1993

Highly Cited

1993

Weighted norm estimates for higher order commutators are obtained. The proof, that remain valid in the vector-valued case, are…

Highly Cited

1989

Highly Cited

1989

A new realisation of the quantum group SUq(2) is constructed by means of a q-analogue to the Jordan-Schwinger mapping…

Highly Cited

1975

Highly Cited

1975

This paper concerns a rather concrete phenomenon in abstract operator algebras. The main examples of the algebras we study are…

Highly Cited

1952

Highly Cited

1952

We are concerned with the problem of assigning a group theoretic interpretation to the second homology group H2(G, J) of a group…