Zobrazeno 1 - 10 of 43 pro vyhledávání: '"Robert T. Powers"'
1
Surgical Treatment for Osteochondral Lesions of the Talus
Autor: Thomas Dowd, Robert T. Powers, Eric Giza
Publikováno v: Arthroscopy: The Journal of Arthroscopic & Related Surgery. 37:3393-3396
Osteochondral lesions of the talus (OLT) are often associated with ankle pain and dysfunction. They can occur after ankle trauma, such as sprains or fractures, but they usually present as a continued ankle pain after the initial injury has resolved.
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0f1ef7cec03fc4e4b2373f6cd9e71c53
https://doi.org/10.1016/j.arthro.2021.10.002
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2
Classification of q-pure q-weight maps over finite dimensional Hilbert spaces
Autor: Daniel Markiewicz, Robert T. Powers, Christopher Jankowski
Publikováno v: Journal of Functional Analysis. 277:1763-1867
An $E_0$-semigroup of $B(H)$ is a one parameter strongly continuous semigroup of $*$-endomorphisms of $B(H)$ that preserve the identity. Every $E_0$-semigroup that possesses a strongly continuous intertwining semigroup of isometries is cocycle conjug
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::be358901d8a154064c118996598137ba
https://doi.org/10.1016/j.jfa.2019.05.001
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4
Aligned CP-Semigroups
Autor: Christopher Jankowski, Robert T. Powers, Daniel Markiewicz
Publikováno v: International Mathematics Research Notices. 2015:6639-6647
A CP-semigroup is aligned if its set of trivially maximal subordinates is totally ordered by subordination. We prove that aligned spatial E_0-semigroups are prime: they have no non-trivial tensor product decompositions up to cocycle conjugacy. As a c
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::cbd7210424eabc8208098eb6eddb91df
https://doi.org/10.1093/imrn/rnu138
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5
E0-semigroups of type II0 and q-purity: Boundary weight maps of range rank one and two
Autor: Daniel Markiewicz, Christopher Jankowski, Robert T. Powers
Publikováno v: Journal of Functional Analysis. 262(7):3006-3061
A CP-flow over a separable Hilbert space K is a continuous one-parameter semigroup of completely positive maps on B ( K ⊗ L 2 ( 0 , ∞ ) ) which is intertwined by the right shift semigroup, and CP-flows are obtained from boundary weight maps. In t
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6
Cocycles for one-parameter flows of B(H)
Autor: Alexis Alevras, Robert T. Powers, Geoffrey L. Price
Publikováno v: Journal of Functional Analysis. 230:1-64
The set of local cocycles is a natural invariant for an E 0 -semigroup. It has a multiplicative structure, as well as a partial order structure among its positive elements. In particular, the unitary local cocycles form a topological group which may
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::5c65519f48bfc689abe340ab4f9a15cf
https://doi.org/10.1016/j.jfa.2005.04.017
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10
INDUCTION OF SEMIGROUPS OF ENDOMORPHISMS OF ${\mathfrak B} ({\mathfrak h})$ FROM COMPLETELY POSITIVE SEMIGROUPS OF (n × n) MATRIX ALGEBRAS
Autor: Robert T. Powers
Publikováno v: International Journal of Mathematics. 10:773-790
The paper concerns Eo-semigroup of [Formula: see text] induced from unit preserving completely positive semigroups of mapping of an (n × n) matrix algebra into itself. It is shown that Eo-semigroups one obtains are completely spatial and the index o
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::56e2fc076afacd1f5a81b5a9d2e1c5b2
https://doi.org/10.1142/s0129167x99000331
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