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Portugaliae mathematica
Tome 43 (1985)
Précédent
Suivant
Sommaire du
Fascicule no. 1
Functor categories and group representations
Green, J.A.
p. 3-16
Algebraic matrix equations in systems theory
Hernández, Vicente G.
p. 17-33
On the derivatives of the Perron vector
Deutsch, Emeric
;
Neumann, Michael
p. 35-42
Inequalities involving immanants and diagonal products for H-matrices and positive definite matrices
Johnson, Charles R.
;
Merris, Russell
;
Pierce, Stephen
p. 43-54
Diagonal similarity of matrices
Loewy, Raphael
p. 55-59
H-normal matrices
Lee, Anna
p. 61-68
Perturbation theorems for the matrix eigenvalue problem
Elsner, L.
p. 69-76
On matrix groups defined by certain polynomial identities
Oliveira, Graciano N. de
;
Dias da Silva, J.A.
p. 77-92
Perturbation series and defect correction for the refinement of approximate eigenelements of linear integral operators
d'Almeida, Filomena Dias
p. 93-103
Jacobi matrices with prescribed eigenvalues and diagonal elements
Duarte, António Leal
p. 105-111
Error analysis of some approximating algorithms
Codenotti, Bruno
p. 113-119
Application of the matrix algebra to contact problems in railways
Garcia-Vadillo, Ernesto
;
Tarrago, José A.
p. 121-130
Comparing solutions of equation systems involving semipositive operators
Fujimoto, Takao
;
Herrero, Carmen
;
Villar, António
p. 131-137
Some euclidean space properties applied to data analysis
Román, R.
;
Navarro, M.C.
p. 139-146
On polynomial invariant chains of matrices and principal submatrices
Vieira, João Carlos David
p. 147-152
Jordan basis for an infinite-dimensional space
López Pellicer, M.
;
Bru, R.
p. 153-156
Generalized approximation numbers
Queiró, João Filipe
p. 157-166
Matrices which commute with a given matrix upon a subspace
Beitia, Maria Asunción
p. 167-178
On a question of Hills concerning co-transposers
Laffey, Thomas J.
p. 179-187
Some variations on the concept of the c-numerical range
Bebiano, Natália
p. 189-200
Sommaire du
Fascicule no. 2
Orthogonality-preserving transformations on quadratic spaces
Piziak, Robert
p. 201-212
On the existence of weak solutions of boundary value problems in a diffusion model for an inhomogeneous liquid in regions with moving boundaries
Salvi, Rodolfo
p. 213-233
On the Paley-Wiener-Schwartz isomorphism in Hilbert spaces
Colombeau, J.F.
;
Paques, O.T.W.
p. 235-247
On the mean values of an entire function represented by Dirichlet series
Kamthan, P.K.
;
Jain, P.K.
p. 249-270
Ordre d'une fonction de Dirichlet entière de plusieurs variables complexes
Daoud, S.
p. 271-284
A new approach to time-dependent queueing problem with arrivals having random memory
Sharda, Indu Garg
p. 285-295
Sommaire du
Fascicule no. 3
Boundary values of ultra-distributions of exponential type
Carmichael, D. Richard
p. 297-306
On the notion of precohomology
Kato, Goro
p. 307-316
Condition pour que la puissance
$I^X$
du treillis complet
$I$
soit algébrique
Achache, Achille
p. 317-319
Absolute Riesz summability of Fourier series
Mishra, K.N.
p. 321-329
Two approximation results for the parabolic singular perturbation problem
Fattorini, H.O.
p. 331-346
On rules of derivation with complex order for analytic and branched functions
Campos, L.M.B.C.
p. 347-376
Le nombre minimum d'invariants fondamentaux pour les formes binaires de degré 7
Dixmier, J.
;
Lazard, D.
p. 377-392
Sommaire du
Fascicule no. 4
Le problème de Dirichlet dans l’espace
$W_p^1$
Grisvard, Pierre
p. 393-398
Sharp elementary estimates for the sequence of primes
Costa Pereira, N.
p. 399-406
Entire functions represented by Dirichlet series of two complex variables
Daoud, S.
p. 407-415
On the class of entire Dirichlet functions of several complex variables having finite order point
Daoud, S.
p. 417-427
The barrelled topology associated with the compact-open topology on H(U) and H(K)
Ansemil, J.M.
;
Ponte, S.
p. 429-438
Sur la caractérisation des automorphismes analytiques d'un domaine borné
Vigué, Jean-Pierre
p. 439-453
A note on unimodal mappings with infinitely many attractors
Mascarenhas, W.F.
;
Teixeira, M.A.
p. 455-461
Fragmented integral domains
Dobbs, David E.
p. 463-473
Some properties of the discrete holometric space
Vijayakumar, A.
p. 475-483
A measure of symmetry for ovals
Cieslak, Waldemar
;
Zajac, Jósef
p. 485-493
Comment on:
Vila, J.
p. 495-498