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pro vyhledávání: '"Joiţa, Maria"'
Autor:
Joiţa, Maria
In this paper, we introduce the notion of Shilov boundary ideal for a local operator system and investigate some of its properties.
Externí odkaz:
http://arxiv.org/abs/2409.10474
Autor:
Joiţa, Maria
In this paper, we show that the local boundary representations of a local operator system in a Frechet locally C*-algebra on quantized Frechet domains introduced by Arunkumar [Local boundary representations of locally C*-algebras, J. Math. Anal. Appl
Externí odkaz:
http://arxiv.org/abs/2312.14477
Autor:
Joita, Maria
In this paper we consider the unbounded local completely positive and local completely contractive maps on maximal tensor product of unital locally C*-algebras and discuss on extremal points of certain convex subsets in the set of such maps.
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Externí odkaz:
http://arxiv.org/abs/2203.16873
Autor:
Joiţa, Maria
We prove a local convex version of Arveson's extension theorem and of Wittstock's extension theorem. Also we prove a Stinespring type theorem for unbounded local completely contractive maps.
Externí odkaz:
http://arxiv.org/abs/2202.00387
Autor:
Joiţa, Maria
Publikováno v:
In Journal of Mathematical Analysis and Applications 15 July 2024 535(2)
Autor:
Joiţa, Maria
In this paper we present some factorization properties for unbounded local positive maps. We show that an unbounded local positive map $\phi $ on the minimal tensor product of the locally $C^{\ast }$-algebras $\mathcal{A}$ and $C^{\ast }(\mathcal{D}_
Externí odkaz:
http://arxiv.org/abs/2107.12761
Autor:
Joita, Maria, Costache, Tania Luminita
Given two range space relations A and B in Hilbert spaces, we characterize the existence of a range space operator T such that A = BT, respectively A = TB.
Externí odkaz:
http://arxiv.org/abs/2007.03322
We associate to an operator valued completely positive linear map $\varphi$ on a $C^{\ast }$-algebra $A$ and a Hilbert $C^{\ast }$-module $X$ over $A$ a subset $X_{\varphi }$ of $X,$ called '\textit{ternary domain}' of $\varphi$ on $X,$ which is a Hi
Externí odkaz:
http://arxiv.org/abs/1810.08987
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