Results 71 to 80 of about 1,325 (162)

Bookmakers et parieurs entre rue et tripot [PDF]

open access: yesRevue française de civilisation britannique, 2003
This paper examines the concern expressed on the issue of gambling in Victorian England. In the 1840s, a series of scandals led to an increase in the repression of gambling houses. Attempts were also made to moralise the turf. By the end of the century, the rowdiest and seediest aspects of race courses had been eliminated.
openaire   +3 more sources

Characterizations of tripotents in JB*-triples

open access: yesMATHEMATICA SCANDINAVICA, 2006
The set $\mathcal{U}(A)$ of tripotents in a $\mathrm{JB}^*$-triple $A$ is characterized in various ways. Some of the characterizations use only the norm-structure of $A$. The partial order on $\mathcal{U}(A)$ as well as $\sigma$-finiteness of tripotents are described intrinsically in terms of the facial structure of the unit ball $A_1$ in $A$, i.e ...
openaire   +2 more sources

2-local triple homomorphisms on von Neumann algebras and JBW$^*$-triples [PDF]

open access: yes, 2014
We prove that every (not necessarily linear nor continuous) 2-local triple homomorphism from a JBW$^*$-triple into a JB$^*$-triple is linear and a triple homomorphism.
Antonio   +4 more
core  

UEG Week 2025 DDM Summit Presentations [PDF]

open access: yesUnited European Gastroenterol J
United European Gastroenterology Journal, Volume 13, Issue S8, Page S1477-S1538, October 2025.
europepmc   +2 more sources

Jordan weak amenability and orthogonal forms on JB*-algebras [PDF]

open access: yes, 2014
We prove the existence of a linear isometric correspondence between the Banach space of all symmetric orthogonal forms on a JB$^*$-algebra $\mathcal{J}$ and the Banach space of all purely Jordan generalized derivations from $\mathcal{J}$ into $\mathcal{J}
A. Siddiqui   +3 more
core  

Structural Projections on JBW*-Triples [PDF]

open access: yes, 2017
A linear projection R on a Jordan*-triple A is said to be structural provided that, for all elements a, b and c in A, the equality {Rab Rc} = R{a Rbc} holds.
Edwards, C. Martin   +1 more
core  

Geometric characterization of tripotents in real and complex JB∗-triples

open access: yesJournal of Mathematical Analysis and Applications, 2004
The authors show that the geometric characterization of tripotent elements (in other words, partial isometries) in \(C^*\)-algebras obtained by \textit{C. A. Akemann} and \textit{N. Weaver} [Proc. Am. Math. Soc. 130, No. 10, 3033--3037 (2002; Zbl 1035.46038)] is also valid for \(JB^*\)-triples (every \(C^*\)-algebra is a \(JB^*\)-triple for the triple ...
Fernández-Polo, Francisco J   +2 more
openaire   +1 more source

On characterization of tripotent matrices in triangular matrix rings

open access: yesTURKISH JOURNAL OF MATHEMATICS, 2021
Summary: Let \(\mathfrak{R}\) be a ring with identity 1 whose tripotents are only \(-1\), 0, and 1. It is characterized the structure of tripotents in \(\mathcal{T}(\mathfrak{R})\) which is the ring of triangular matrices over \(\mathfrak{R}\). In addition, when \(\mathfrak{R}\) is finite, it is given number of the tripotents in \(\mathcal{T}_n ...
openaire   +2 more sources

Minimal Tripotents via Quadratic Annihilators: Additive Preservers of Truncations

open access: yesBulletin of the Malaysian Mathematical Sciences Society
Abstract The contributions in this note begin with a new characterization of (positive) scalar multiples of minimal tripotents in a general $$\hbox {JB}^*$$ JB ∗ -triple E ...
Lei Li, Siyu Liu, Antonio M. Peralta
openaire   +1 more source

On Weakly Tripotent and Locally Invo-Regular Rings

open access: yes, 2023
In this article some important observations have been reported on recent works related to weakly tripotent rings and locally invo-regular rings. Our findings give additional results as well as correct some recent results on weakly tripotent rings and locally invo-regular rings appeared in Rendiconti Sem. Mat. Univ. Pol.
openaire   +1 more source

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