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pro vyhledávání: '"Tschinke, Francesco"'
Autor:
Tschinke, Francesco
This note concerns a further study about Riesz-Fischer maps, already introduced by the author in a recent work, that is a notion that extends to the spaces of distributions the sequences that are known as Riesz-Fischer sequences. In particular it is
Externí odkaz:
http://arxiv.org/abs/2212.11351
Autor:
Corso, Rosario, Tschinke, Francesco
Publikováno v:
Landscapes of Time-Frequency Analysis, vol. 2, Appl. Numer. Harmon. Anal. Series, 2020
Inspired by a recent work about distribution frames, the definition of multiplier operator is extended in the rigged Hilbert spaces setting and a study of its main properties is carried on. In particular, conditions for the density of domain and boun
Externí odkaz:
http://arxiv.org/abs/1912.12696
Autor:
Tschinke, Francesco
In this note a review, some considerations and new results about maps with values in a distribution space and domain in a $\sigma$-finite measure space $X$, are obtained. In particular, it is a survey about Bessel, frames and bases (in particular Rie
Externí odkaz:
http://arxiv.org/abs/1910.14447
In this paper we will consider, in the abstract setting of rigged Hilbert spaces, distribution valued functions and we will investigate, in particular, conditions for them to constitute a "continuous basis" for the smallest space $\mathcal D$ of a ri
Externí odkaz:
http://arxiv.org/abs/1812.08472
Autor:
Tschinke, Francesco1 francesco.tschinke@unipa.it
Publikováno v:
Note di Matematica. 2023, Vol. 43 Issue 1, p81-90. 10p.
Publikováno v:
Studia Mathematica 203 (2011) 223-251
We continue our study of topological partial *algebras, focusing our attention to the interplay between the various partial multiplications. The special case of partial *-algebras of operators is examined first, in particular the link between the str
Externí odkaz:
http://arxiv.org/abs/1203.0515
Autor:
Trapani, Camillo, Tschinke, Francesco
Publikováno v:
Topological Algebras and their Applications ISBN: 9783110413557
A faithfully representable topological *-algebra (fr*-algebra) A0 is characterized by the fact that it possesses sufficiently many *-representations. Some spectral properties are examined, by constructing a convenient quasi *-algebra A over A0, start
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f02b7e0b4b525ea612e66218249f5097
https://doi.org/10.1515/9783110413557-016
https://doi.org/10.1515/9783110413557-016
Akademický článek
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Autor:
TSCHINKE, Francesco
Given a rigged Hilbert space (D,H,D'), the spaces D_{loc are considered. It is shown that, if D is a Hilbert *-algebra, D_{loc} carry out a natural structure of partial *-algebra. Furthermore, on D_{loc} it is defined a topology, so that D_{loc} is a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=od______3658::7022ae4482889064e59ee10151f7c062
http://hdl.handle.net/10447/100524
http://hdl.handle.net/10447/100524