Providencia, João da

Loading... 2 0 20 0 false
 
Name
Providencia, João da
 
 
Status
UC Researcher
Loading... 3 0 20 0 false

Publications
(All)

Refined By:
Date Issued:  [2000 TO 2024]

Results 1-51 of 51 (Search time: 0.001 seconds).

Issue DateTitleAuthor(s)TypeAccess
1Mar-2013An algorithm for constructing a pseudo-Jacobi matrix from given spectral dataBebiano, Natália ; Furtado, Susana ; Providência, João da articleclosedAccess
21-Apr-2015An inverse indefinite numerical range problemBebiano, Natália ; Providência, João da ; Nata, Ana ; Providência, J. P. da. articleembargoedAccess
32022Approximations for the von Neumann and Rényi entropies of graphs with circulant type LaplaciansBebiano, Natália ; Providência, João da ; Xu, Wei-RuarticleopenAccess
42009The boundary of the Krein space tracial numerical range, an algebraic approach and a numerical algorithmBebiano, N. ; Nakazato, H. ; Nata, A. ; Providência, J. da preprintopenAccess
52009Classes of non-Hermitian operators with real eigenvaluesBebiano, Natália ; Providência, J. da ; Providência, João P. da preprintopenAccess
61-Jan-2015Computing the numerical range of Krein space operatorsBebiano, Natália ; Providência, João da ; Nata, Ana ; Providência, J. P. da. articleembargoedAccess
72009Convexity of the Krein space tracial numerical range and Morse theoryNakazato, Hiroshi ; Bebiano, Natália ; Providência, João da preprintopenAccess
82017Determinantal inequalities for J-accretive dissipative matricesBebiano, Natália ; Providência, João da articleembargoedAccess
92007Dynamical chiral symmetry breaking by a magnetic field and multi-quark interactionsOsipov, A. A. ; Hiller, B. ; Blin, A. H. ; Providência, J. da articleopenAccess
102007Effects of eight-quark interactions on the hadronic vacuum and mass spectra of light mesonsOsipov, A. A. ; Hiller, B. ; Blin, A. H. ; Providência, J. da articleopenAccess
112006Exact solutions for the LMG model Hamiltonian based on the Bethe ansatzMorita, Hiroyuki ; Ohnishi, Hiromasa ; Providência, João da ; Nishiyama, Seiya articleopenAccess
12Apr-2016A fiedler-type theorem for the determinant of J-positive matricesBebiano, Natália ; Providência, João da articleembargoedAccess
132017Fields of values of linear pencils and spectral inclusion regionsBebiano, Natália ; Providência, João da ; Nata, Ana ; Providência, J. P. da. articleembargoedAccess
142008Flat portions on the boundary of the indefinite numerical range of 3×3 matricesBebiano, N. ; Providência, J. da ; Teixeira, R. articleopenAccess
152007Geometry of the numerical range of Krein space operatorsBebiano, N. ; Providência, J. da ; Teixeira, R. preprintopenAccess
1631-Oct-2018Hybrid stars from the NJL model with a tensor-interactionMatsuoka, H. ; Tsue, Y. ; Providencia, J. ; Providencia, C. ; Yamamura, M. articleopenAccess
1712-Sep-2016Implications of losing Hermiticity in quantum mechanicsBebiano, Natália ; Providência, João da articleembargoedAccess
182005Inequalities for J-Hermitian matricesBebiano, N. ; Nakazato, H. ; Providência, J. da ; Lemos, R. ; Soares, G. articleopenAccess
192005Inequalities for quantum relative entropyBebiano, N. ; Lemos, R. ; Providência, J. da articleopenAccess
2027-Nov-2012Interplay between Spin Polarization and Color Superconductivity in High Density Quark MatterTsue, Yasuhiko ; Providencia, João da ; Providência, Constança ; Yamamura, M. ; Bohr, HenrikarticleopenAccess
212008The J-numerical range of a J-Hermitian matrix and related inequalitiesNakazato, Hiroshi ; Bebiano, Natália ; Providência, João da articleopenAccess
222000Long-wave fluctuations of the two-dimensional Heisenberg antiferromagnetBelinicher, Victor ; Providência, João da articleopenAccess
232007Lowering the critical temperature with eight-quark interactionsOsipov, A. A. ; Hiller, B. ; Moreira, J. ; Blin, A. H. ; Providência, J. da articleopenAccess
242002Microscopic Theory of the Two-Dimensional Quantum Antiferromagnet in a Paramagnetic PhaseBelinicher, V. I. ; Providência, J. da articleopenAccess
252006Multi-quark interactions with a globally stable vacuumOsipov, A. A. ; Hiller, B. ; Providência, J. da articleopenAccess
266-Jan-2015New boson realization of the Lipkin model obeying the su(2)-algebraTsue, Yasuhiko ; Providência, Constança ; Providencia, João da ; Yamamura, Masatoshi articleopenAccess
272017A note on the Lipkin model in arbitrary fermion numberTsue, Yasuhiko ; Providência, Constança ; Providência, João da ; Yamamura, Masatoshi articleopenAccess
282006The numerical range of 2-dimensional Krein spaces operatorsNakazato, Hiroshi ; Bebiano, Natália ; Providência, João da preprintopenAccess
292004Numerical ranges of unbounded operators arising in quantum physicsBebiano, N. ; Lemos, R. ; Providência, J. da articleopenAccess
302003On generalized numerical ranges of operators on an indefinite inner product spaceBebiano, N. ; Lemos, R. ; Providência, J. da ; Soares, G. preprintopenAccess
312007On the corners of certain determinantal rangesKovačec, Alexander ; Bebiano, Natália ; Providência, João da articleopenAccess
322009On the Courant-Fischer theory for Krein spacesBebiano, N. ; Nakazato, H. ; Providência, J. da articleopenAccess
332005On the geometry of numerical ranges in spaces with an indefinite inner productBebiano, N. ; Lemos, R. ; Providência, J. da ; Soares, G. articleopenAccess
342016A possible framework of the Lipkin model obeying the SU(n) algebra in arbitrary fermion number. I: The SU(2) algebras extended from the conventional fermion pair and determination of the minimum weight statesTsue, Yasuhiko ; Providência, Constança ; Providência, João da ; Yamamura, Masatoshi articleopenAccess
352016A possible framework of the Lipkin model obeying the SU(n) algebra in arbitrary fermion number. II: Two subalgebras in the SU(n) Lipkin model and an approach to the construction of a linearly independent basisTsue, Yasuhiko ; Providência, Constança ; Providência, João da ; Yamamura, Masatoshi articleopenAccess
362017A practical scheme for constructing the minimum-weight states of the su(n)-Lipkin model in arbitrary fermion numberTsue, Yasuhiko ; Providência, Constança ; Providência, João da ; Yamamura, Masatoshi articleopenAccess
372008Product of diagonal entries of the unitary orbit of a 3-by-3 normal matrixNakazato, Hiroshi ; Bebiano, Natália ; Providência, João da articleopenAccess
381-Nov-2016Products of Laurent operators and fields of valuesBebiano, Natália ; Providência, João da articleembargoedAccess
3914-Jun-2013A Pseudo su(1,1)-Algebraic Deformation of the Cooper-Pair in the su(2)-Algebraic Many-Fermion ModelTsue, Yasuhiko ; Providência, Constança ; Providencia, João da ; Yamamura, Masatoshi articleopenAccess
406-Jul-2012Quark-Hadron Phase-Transition in an Extended NJL Model with Scalar-Vector InteractionLee, Tong-Gyu; Tsue, Yasuhiko ; Providencia, João da ; Providência, Constança ; Yamamura, Masatoshi articleopenAccess
412014Revisiting the inverse field of values problemaBebiano, Natália ; Providência, João da ; Nata, Ana ; Providência, J. P. da. articleembargoedAccess
4222-Jan-2009Self-Consistent-Field Method and $τ$-Functional Method on Group Manifold in Soliton Theory: a Review and New ResultsNishiyama, Seiya; Providencia, João da ; Providência, Constança ; Cordeiro, Flávio ; Komatsu, TakaoarticleopenAccess
431-Mar-2017Spin polarization and color superconductivity in the Nambu–Jona-Lasinio model at finite temperatureMatsuoka, H. ; Tsue, Y. ; Providência, J. ; Providência, C. ; Yamamura, M. articleopenAccess
4423-Sep-2014Spin Polarization versus Color-Flavor-Locking in High Density Quark MatterTsue, Yasuhiko ; Providencia, João da ; Providência, Constança ; Yamamura, Masatoshi; Bohr, HenrikarticleopenAccess
457-Jan-2016Spin Polarized versus Chiral Condensate in Quark Matter at Finite Temperature and DensityMatsuoka, Hiroaki; Tsue, Yasuhiko; Providência, João da ; Providência, Constança ; Yamamura, Masatoshi; Bohr, HenrikarticleopenAccess
463-Jul-2015Spontaneous magnetization in high-density quark matterTsue, Yasuhiko ; Providencia, João da ; Providência, Constança ; Yamamura, Masatoshi ; Bohr, HenrikarticleopenAccess
4727-Mar-2018Spontaneous magnetization under a pseudovector interaction between quarks in high density quark matterMorimoto, Masatoshi ; Tsue, Yasuhiko ; Providência, João ; Providência, Constança ; Yamamura, Masatoshi articleopenAccess
482017The characteristic polynomial of linear pencils of small size and the numerical rangeBebiano, Natália ; Providência, João da ; Esmaeili, F. articleembargoedAccess
492016The EMM and the spectral analysis of a non self-adjoint Hamiltonian on an infinite dimensional Hilbert spaceBebiano, Natália ; Providência, João da articleembargoedAccess
501-Feb-2013The numerical range of banded biperiodic Toeplitz operatorsBebiano, Natália ; Providência, João da ; Nata, Ana articleembargoedAccess
512013What does drawing and sketching bring to the design process?Providência, Paulo articleopenAccess