Providencia, João da

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https://orcid.org/0000-0003-4215-3067

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UC Researcher

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Date Issued: [2000 TO 2009]

Subject: Numerical range

Results 1-7 of 7 (Search time: 0.003 seconds).

	Issue Date	Title	Author(s)	Type	Access
1	2009	The boundary of the Krein space tracial numerical range, an algebraic approach and a numerical algorithm	Bebiano, N. ; Nakazato, H. ; Nata, A. ; Providência, J. da	preprint	openAccess
2	2009	Convexity of the Krein space tracial numerical range and Morse theory	Nakazato, Hiroshi ; Bebiano, Natália ; Providência, João da	preprint	openAccess
3	2007	Geometry of the numerical range of Krein space operators	Bebiano, N. ; Providência, J. da ; Teixeira, R.	preprint	openAccess
4	2006	The numerical range of 2-dimensional Krein spaces operators	Nakazato, Hiroshi ; Bebiano, Natália ; Providência, João da	preprint	openAccess
5	2004	Numerical ranges of unbounded operators arising in quantum physics	Bebiano, N. ; Lemos, R. ; Providência, J. da	article	openAccess
6	2003	On generalized numerical ranges of operators on an indefinite inner product space	Bebiano, N. ; Lemos, R. ; Providência, J. da ; Soares, G.	preprint	openAccess
7	2005	On the geometry of numerical ranges in spaces with an indefinite inner product	Bebiano, N. ; Lemos, R. ; Providência, J. da ; Soares, G.	article	openAccess