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1

On Generalized Numerical Ranges of Operators on an Indefinite Inner Product Space

Bebiano, N., Lemos, R., da Providência, J., Soares, G.

Journal:

Linear and Multilinear Algebra

Année:

2004

Langue:

english

Fichier:

PDF, 283 KB

english, 2004

2

Non-self-adjoint operators with real spectra and extensions of quantum mechanics

Bebiano, N., da Providência, J.

Journal:

Journal of Mathematical Physics

Année:

2019

Langue:

english

Fichier:

PDF, 1.27 MB

english, 2019

3

Variational approach to the many-body problem

J. Da Providência

Journal:

Nuclear Physics

Année:

1965

Langue:

english

Fichier:

PDF, 386 KB

english, 1965

4

On the geometry of numerical ranges in spaces with an indefinite inner product

N. Bebiano, R. Lemos, J. da Providência, G. Soares

Journal:

Linear Algebra and its Applications

Année:

2005

Langue:

english

Fichier:

PDF, 277 KB

english, 2005

5

Remark on the relation between the generator-coordinate method and the random-phase approximation

J. da Providencia

Journal:

Nuclear Physics A

Année:

1970

Langue:

english

Fichier:

PDF, 247 KB

english, 1970

6

Flat portions on the boundary of the indefinite numerical range of matrices

N. Bebiano, J. da Providência, R. Teixeira

Journal:

Linear Algebra and its Applications

Année:

2008

Langue:

english

Fichier:

PDF, 248 KB

english, 2008

7

The Hartree-Fock and the generator coordinate methods in field theory:: Description of pion condensation

JoãO Da Providência

Journal:

Nuclear Physics A

Année:

1977

Langue:

english

Fichier:

PDF, 365 KB

english, 1977

8

Problems: 10480-10486

Shmuel Rosset, Frank Schmidt, Emre Alkan, Stanley Rabinowitz, N. Bebiano, J. da Providência, David Bradley and Joseph H. Silverman

Journal:

American Mathematical Monthly

Année:

1995

Langue:

english

Fichier:

PDF, 205 KB

english, 1995

9

The Hartree-Fock and Generator Coordinate Methods in field theory. The polaron problem

João da Providencia, Maria da Conceição Ruivo, Célia A de Sousa

Journal:

Annals of Physics

Année:

1975

Langue:

english

Fichier:

PDF, 369 KB

english, 1975

10

Determination of the correlation structure of nuclei via inelastic electron scattering

J. Da Providência, C.M. Shakin

Journal:

Nuclear Physics

Année:

1965

Langue:

english

Fichier:

PDF, 819 KB

english, 1965

11

On the relation between the double-projection method of peierls and thouless, and the Villars theory of the nuclear collective rotation

J. da Providencia, J.N. Urbano

Journal:

Nuclear Physics A

Année:

1970

Langue:

english

Fichier:

PDF, 223 KB

english, 1970

12

Corrections to the gaussian overlap approximation: A new boson expansion

João Da Providência, JoséN. Urbano, Lídia S. Ferreira

Journal:

Nuclear Physics A

Année:

1971

Langue:

english

Fichier:

PDF, 643 KB

english, 1971

13

On the foundation of the VMI models for the ground state collective modes of doubly even nuclei

J. Da Providência, J.N. Urbano

Journal:

Nuclear Physics A

Année:

1972

Langue:

english

Fichier:

PDF, 593 KB

english, 1972

14

Numerical ranges of unbounded operators arising in quantum physics

N. Bebiano, R. Lemos, J. da Providência

Journal:

Linear Algebra and its Applications

Année:

2004

Langue:

english

Fichier:

PDF, 282 KB

english, 2004

15

Resonating mean-field theoretical description of π and σ mesons by the Nambu–Jona-Lasinio model

Seiya Nishiyama, João da Providência, Osamu Ohno

Journal:

Nuclear Physics A

Année:

2001

Langue:

english

Fichier:

PDF, 2.02 MB

english, 2001

16

Anomaly-free supersymmetric( frac{{{ ext{SO}}left( {2N + 2} ight)}}{{{ ext{U}}left( {N + 1} ight)}} )σ-model based on the SO(2N+ 1) Lie algebra of the fermion operators

Seiya Nishiyama, João da Providência, Constança Providência, Flávio Cordeiro

Journal:

Journal of High Energy Physics

Année:

2011

Langue:

english

Fichier:

PDF, 478 KB

english, 2011

17

Description of excited states in systems with short-range correlations

J. Da Providência, C.M. Shakin

Journal:

Nuclear Physics A

Année:

1975

Langue:

english

Fichier:

PDF, 512 KB

english, 1975

18

On a reverse Heinz–Kato–Furuta inequality

N. Bebiano, R. Lemos, J. da Providência

Journal:

Linear Algebra and its Applications

Année:

2012

Langue:

english

Fichier:

PDF, 323 KB

english, 2012

19

Variational principles in quantum statistical mechanics

Providencia, J da, Fiolhais, C

Journal:

European Journal of Physics

Année:

1987

Langue:

english

Fichier:

PDF, 455 KB

english, 1987

20

An inverse indefinite numerical range problem

Bebiano, N., da Providência, J., Nata, A., da Providência, J.P.

Journal:

Linear Algebra and its Applications

Année:

2015

Langue:

english

Fichier:

PDF, 819 KB

english, 2015

21

Fluid-dynamical approach to collective modes in metal clusters

da Providência, João, de Haro, Raphael

Journal:

Physical Review B

Année:

1994

Langue:

english

Fichier:

PDF, 611 KB

english, 1994

22

Indefinite higher-rank numerical ranges

Bebiano, N., da Providência, J.

Journal:

Linear and Multilinear Algebra

Année:

2012

Langue:

english

Fichier:

PDF, 223 KB

english, 2012

23

Stellar matter with a strong magnetic field within density-dependent relativistic models

Rabhi, A, Providência, C, Providência, J Da

Journal:

Journal of Physics G Nuclear and Particle Physics

Année:

2008

Langue:

english

Fichier:

PDF, 1.00 MB

english, 2008

24

Collective and intrinsic degrees of freedom in the Heisenberg ferromagnet

Providencia, J da, Fiolhais, C, Brajczewska, M

Journal:

Journal of Physics A: Mathematical and General Physics

Année:

1989

Langue:

english

Fichier:

PDF, 710 KB

english, 1989

25

Interplay between spin polarization and color superconductivity in high density quark matter

Tsue, Y., da Providencia, J., Providencia, C., Yamamura, M., Bohr, H.

Journal:

Progress of Theoretical and Experimental Physics

Année:

2013

Langue:

english

Fichier:

PDF, 451 KB

english, 2013

26

Density Functional Methods In Physics || Density Functionals for Coulomb Systems

Dreizler, Reiner M., da Providência, João

Année:

1985

Langue:

english

Fichier:

PDF, 3.73 MB

english, 1985

27

Variational derivation of nuclear fluid dynamics

Providencia, J P da

Journal:

Journal of Physics G Nuclear Physics

Année:

1987

Langue:

english

Fichier:

PDF, 476 KB

english, 1987

28

How to Line Up Many Products of Differences: 10484

N. Bebiano, J. da Providencia and Roy Barbara

Journal:

American Mathematical Monthly

Année:

1998

Langue:

english

Fichier:

PDF, 296 KB

english, 1998

29

The q -deformed Moszkowski model: RPA modes

Bonatsos, Dennis, Brito, Lucília, Menezes, Debora, Providência, Constança, Providência, João da

Journal:

Journal of Physics A: Mathematical and General Physics

Année:

1993

Langue:

english

Fichier:

PDF, 53 KB

english, 1993

30

Numerical ranges in physics

Bebiano, Natália, Providência, Jo[abar]o da

Journal:

Linear and Multilinear Algebra

Année:

1998

Langue:

english

Fichier:

PDF, 507 KB

english, 1998

31

Computing the numerical range of Krein space operators

Bebiano, Natalia, da Providência, J., Nata, A., da Providência, J.P.

Journal:

Open Mathematics

Année:

2014

Langue:

english

Fichier:

PDF, 404 KB

english, 2014

32

Finite Temperature Effects in the NonintegrableSU(3) Lipkin Model

M.O. Terra, M.C. Nemes, C. da Providência, J. da Providência

Journal:

Annals of Physics

Année:

1998

Langue:

english

Fichier:

PDF, 761 KB

english, 1998

33

Microscopic Theory of the Two-Dimensional Quantum Antiferromagnet in a Paramagnetic Phase

V.I. Belinicher, J. da Providência

Journal:

Annals of Physics

Année:

2002

Langue:

english

Fichier:

PDF, 196 KB

english, 2002

34

Some aspects of short-range correlations in nuclei

J da Providencia, C.M Shakin

Journal:

Annals of Physics

Année:

1964

Langue:

english

Fichier:

PDF, 1.23 MB

english, 1964

35

Matrices satisfying a conjecture of G.N. de Oliveira on determinants

J. da Providência, N. Bebiano

Journal:

Linear Algebra and its Applications

Année:

1986

Langue:

english

Fichier:

PDF, 453 KB

english, 1986

36

On the determinant of certain strictly dissipative matrices

Natália Bebiano, J. da Providência

Journal:

Linear Algebra and its Applications

Année:

1986

Langue:

english

Fichier:

PDF, 407 KB

english, 1986

37

Some remarks on a conjecture of de Oliveira

Natália Bebiano, João da Providência

Journal:

Linear Algebra and its Applications

Année:

1988

Langue:

english

Fichier:

PDF, 278 KB

english, 1988

38

The validity of the Marcus-de Oliveira conjecture for essentially Hermitian matrices

Natália Bebiano, Alexander Kovačec, João da Providência

Journal:

Linear Algebra and its Applications

Année:

1994

Langue:

english

Fichier:

PDF, 794 KB

english, 1994

39

A variational principle for Brueckner theory

J. Da Providencia

Journal:

Nuclear Physics

Année:

1962

Langue:

english

Fichier:

PDF, 301 KB

english, 1962

40

Intrinsic symmetries of nuclear rotational states

J Da Providencia

Journal:

Nuclear Physics

Année:

1962

Langue:

english

Fichier:

PDF, 426 KB

english, 1962

41

Linked graph expansion for the logarithm of the norm of many-body wave functions

J. Da Providência

Journal:

Nuclear Physics

Année:

1963

Langue:

english

Fichier:

PDF, 311 KB

english, 1963

42

Cluster expansion of operator averages for systems of many particles

J. Da Providência

Journal:

Nuclear Physics

Année:

1963

Langue:

english

Fichier:

PDF, 463 KB

english, 1963

43

Random-phase approximation for systems with singular interactions

J. Da Providência, C.M. Shakin

Journal:

Nuclear Physics

Année:

1965

Langue:

english

Fichier:

PDF, 256 KB

english, 1965

44

Corrections to the random-phase approximation

J. da Providência

Journal:

Nuclear Physics

Année:

1966

Langue:

english

Fichier:

PDF, 852 KB

english, 1966

45

Note on the groundstate wave function in the random phase approximation

J.Da Providencia

Journal:

Physics Letters

Année:

1966

Langue:

english

Fichier:

PDF, 82 KB

english, 1966

46

An random phase approximation ground state in agreement with the conservation laws

J. Da Providência

Journal:

Physics Letters

Année:

1966

Langue:

english

Fichier:

PDF, 124 KB

english, 1966

47

Variational approach to the dynamics of electrons in metals

João da Providência Jr

Journal:

Solid State Communications

Année:

1993

Langue:

english

Fichier:

PDF, 406 KB

english, 1993

48

An extension of the random phase approximation

J. Da Providência

Journal:

Nuclear Physics A

Année:

1968

Langue:

english

Fichier:

PDF, 842 KB

english, 1968

49

Corrections to electromagnetic transition rates due to ground-state correlations

J. Da Providência, C.M. Shakin

Journal:

Nuclear Physics A

Année:

1968

Langue:

english

Fichier:

PDF, 680 KB

english, 1968

50

On the recoil of a nuclear target hit by a nucleon

J. Da Providência

Journal:

Nuclear Physics A

Année:

1969

Langue:

english

Fichier:

PDF, 238 KB

english, 1969