Results 11 to 20 of about 70,693 (320)
Commutators and Anti-Commutators of Idempotents in Rings
, 2018 We show that a ring $\,R\,$ has two idempotents $\,e,e'\,$ with an invertible commutator $\,ee'-e'e\,$ if and only if $\,R \cong {\mathbb M}_2(S)\,$ for a ring $\,S\,$ in which $\,1\,$ is a sum of two units. In this case, the "anti-commutator" $\,ee'+e'e\
Khurana, Dinesh, Lam, T. Y.
core +3 more sources
On the Spectra of Commutators [PDF]
Proceedings of the American Mathematical Society, 1954 2. R. Godement, Les fonctions de type positif et la theorie des groupes, Trans. Amer. Math. Soc. vol. 63 (1948) pp. 1-84. 3. P. R. Halmos, Measure theory, New York, 1950. 4. R. J. Koch, Tulane University Dissertation, 1953. 5. L. H. Loomis, An introduction to abstract harmonic analysis, New York, 1953. 6. K.
C. R. Putnam
openalex +3 more sources
The Economic Journal, 2023 Abstract People care about crime, with the spatial distribution of both actual and perceived crime affecting the local amenities from living in different areas and residential decisions. The literature finds that crime tends to happen close to the offender's residence, but does not clearly establish whether this is because the location ...
Tom Kirchmaier +2 more
openaire +4 more sources
Commutative–non-commutative dualities [PDF]
Canadian Journal of Physics, 2020 We show that it is in principle possible to construct dualities between commutative and non-commutative theories in a systematic way. This construction exploits a generalization of the exact renormalization group equation (ERG). We apply this to the simple case of the Landau problem and then generalize it to the free and interacting non-canonical ...
Scholtz, F.G. +2 more
openaire +3 more sources
Commutators and commutator subgroups of the Riordan group [PDF]
Advances in Mathematics, 2023 We calculate the derived series of the Riordan group. To do that, we study a nested sequence of its subgroups, herein denoted by $\mathcal G_k$. By means of this sequence, we first obtain the n-th commutator subgroup of the Associated subgroup. This fact allows us to get some related results about certain groups of formal power series and to complete ...
Luzón, Ana +2 more
openaire +3 more sources
Journal of Pure and Applied Algebra, 2016 We describe a general framework for notions of commutativity based on enriched category theory. We extend Eilenberg and Kelly's tensor product for categories enriched over a symmetric monoidal base to a tensor product for categories enriched over a normal duoidal category; using this, we re-find notions such as the commutativity of a finitary algebraic
Garner, Richard, López Franco, Ignacio
openaire +3 more sources
AIMS Mathematics, 2023 In this paper, we establish the boundedness for $ m $th order commutators of $ n- $dimensional fractional Hardy operators and adjoint operators on weighted variable exponent Morrey-Herz space $ \mathrm{M\dot{K}}_{q, p(\cdot)}^{\alpha(\cdot), \lambda ...
Ming Liu, Bin Zhang, Xiaobin Yao
doaj +1 more source
AIMS Mathematics, 2021 In the present artice we discuss the weighted p-adic central bounded mean oscillations (CMO) and p-adic Lipschtiz estimates for the commutators of p-adic Hardy operator on two weighted p-adic Herz-type spaces.
Naqash Sarfraz, Muhammad Aslam
doaj +1 more source
Multilinear commutators in the two‐weight setting [PDF]
Bulletin of the London Mathematical Society, 2020 We extend the recently much‐studied two‐weight commutator estimates to the multilinear setting. In contrast to previous results, our result respects the multilinear nature of the problem fully and is formulated with the genuinely multilinear weights.
Kangwei Li
semanticscholar +1 more source
Journal of Inequalities and Applications, 2022 In this paper, we discuss the properties for commutators and iterated commutators generated by the multilinear ω-CZO and weighted Lipschitz functions on Lebesgue space.
Jie Sun
doaj +1 more source