Mostrar el registro sencillo del ítem
Some examples of m-isometries
dc.contributor.author | Bermúdez De León, Teresa De Jesús | |
dc.contributor.author | Martinón Cejas, Antonio | |
dc.contributor.author | Zaway, Hajer | |
dc.date.accessioned | 2024-01-22T21:07:08Z | |
dc.date.available | 2024-01-22T21:07:08Z | |
dc.date.issued | 2020 | |
dc.identifier.uri | http://riull.ull.es/xmlui/handle/915/35532 | |
dc.description.abstract | Weobtaintheadmissiblesetsontheunitcircletobethespectrumofastrict m-isometryonann-finitedimensionalHilbertspace.Thispropertygivesabetterpictureof thecorrectspectrumofanm-isometry.Wedeterminethattheonlym-isometriesonR2are 3-isometriesandisometriesgivingby±I+Q,whereQisanilpotentoperator.Moreover, onrealHilbertspace,weobtainthatm-isometriespreservevolumes.Alsowepresentaway toconstructastrict(m+1)-isometrywithanm-isometrygiven,usingideasofAlemanand Suciu[7,Proposition5.2]oninfinitedimensionalHilbertspace. | en |
dc.format.mimetype | application/pdf | |
dc.rights | Licencia Creative Commons (Reconocimiento-No comercial-Sin obras derivadas 4.0 Internacional) | |
dc.rights.uri | https://creativecommons.org/licenses/by-nc-nd/4.0/deed.es_ES | |
dc.title | Some examples of m-isometries | |
dc.type | info:eu-repo/semantics/article | |
dc.identifier.doi | 10.1007/S00009-020-1501-0 | |
dc.subject.keyword | m-isometries | en |