Artículos comprendidos entre los años 1980 y 1989

• On incomparability of Banach spaces. (Extracta Mathematicae)
• Approximation of symmetric convex bodies. (Extracta Mathematicae)
• An elementary proof of the invariance and inversion of characteristic pairs. (Extracta Mathematicae)
• On maximal subalgebras of central simple Malcev algebras. (Extracta Mathematicae)
• Desingularization of three-dimensional vector fields. (Extracta Mathematicae)
• Maximal elements and symmetry of the semigroup of values of a curve singularity with several branches. (Extracta Mathematicae)
• Apery basis and polar invariants of plane curve singularities. (Extracta Mathematicae)
• Lie algebras all of whose subalgebras are supersolvable. (Extracta Mathematicae)
• Interpolation with function parameter and UMD spaces. (Extracta Mathematicae)
• Hardy spaces of Banach-space-valued functions depending on the geometry of the Banach space. (Extracta Mathematicae)
• Lambda-nuclear spaces which are nuclear. (Extracta Mathematicae)
• The internal structure of some spaces. (Extracta Mathematicae)
• Lifting units in self-injective rings and an index theory for Rickart C*-algebras. (Extracta Mathematicae)
• A lagrangian approach to optimal stopping. (Extracta Mathematicae)
• Estructura de las álgebras de Jordan no-conmutativas primitivas normadas que contienen ideales internos minimales. (Extracta Mathematicae)
• Semicontinuity for the local Hilbert function. (Extracta Mathematicae)
• Transitivity of intersection properties of balls. (Extracta Mathematicae)
• C-compact convex sets and extreme points. (Extracta Mathematicae)
• Matrices which commute with a given matrix upon a subspace. (Extracta Mathematicae)
• Existence of matrices with prescribed entries. (Extracta Mathematicae)
• Some aspects and problems in holomorphy (Extracta Mathematicae)
• On measurability of vector-valued functions with respect to operators-valued measures (Extracta Mathematicae)
• Balanced big Cohen-Macaulay modules and flat extensions of rings (Extracta Mathematicae)
• Matrices with prescribed rows and invariant factors (Extracta Mathematicae)
• Interlacing inequalities for generalized singular values (Extracta Mathematicae)
• Sobre un principio de dualidad entre sistemas mecánicos y campos escalares (Extracta Mathematicae)
• On the essential order spectrum (Extracta Mathematicae)
• Asymptotic analysis: Bingham fluid how through a perforated wall (Extracta Mathematicae)
• Banach algebras which are a direct sum of division algebras (Extracta Mathematicae)
• Some characteristic and non-characteristic properties of inner product spaces (Extracta Mathematicae)
• Completion of (LF)-spaces (Extracta Mathematicae)
• Operators on spaces of vector-valued continuous functions. (Extracta Mathematicae)
• Rth order Markov models based in multiple logistic regression for covariate dependence of sequences. (Extracta Mathematicae)
• Sobre el algoritmo de Oslo. (Extracta Mathematicae)
• On the dependence of Koszul homology from the generators of an ideal. (Extracta Mathematicae)
• D-dimension in non-metrizable spaces. (Extracta Mathematicae)
• Extending contractions and isometries. (Extracta Mathematicae)
• Malcev h*-algebras. (Extracta Mathematicae)
• Classification of filiform Lie algebras in dimension 8. (Extracta Mathematicae)
• Biduals of p-lattice summing operators. (Extracta Mathematicae)
• Norms in product spaces which preserve approximation properties. (Extracta Mathematicae)
• Some questions concerning the cubic number Q(o) generates by a root of x3+abx+B=0. (Extracta Mathematicae)

• Medidas de Haar-Berezin (Extracta Mathematicae)
• A new operator characterization of the Dunford-Pettis property (Extracta Mathematicae)
• Semisimple representations of quivers (research announcement) (Extracta Mathematicae)
• The last coefficient of the Samuel polynomial (Extracta Mathematicae)
• Un resultado sobre el orden y el tamaño de grafos que representan a un grupo finito (Extracta Mathematicae)
• An extension on the a-posterior error analysis for the finite element method (Extracta Mathematicae)
• Una propiedad de los planos isoclinos de R4 (Extracta Mathematicae)
• On the number of conjugacy classes in a finite group (Extracta Mathematicae)
• An interactive sequential approach to multicriteria decision making (Extracta Mathematicae)
• Product theorems for the D-dimension in non-metrizable spaces (Extracta Mathematicae)
• Simple rectangular disections (Extracta Mathematicae)
• On ∆-stable Schwartz spaces. (Extracta Mathematicae)
• Some numerical methods in bifurcation theory (Extracta Mathematicae)
• Problems on distortion under conformal mapping. (Extracta Mathematicae)
• Ramification and units of the cubic number field Q(zeta) generated by a root of x3+abx+B=0 (Extracta Mathematicae)
• Sur le théorème principal de Wedderburn (Extracta Mathematicae)
• Chebyshev centers in ultrametric spaces (Extracta Mathematicae)
• Some results on the frame bundle of an almost contact metric manifold (Extracta Mathematicae)
• Factorization of operators and duality (Extracta Mathematicae)
• Approximation properties defined by operator ideals (Extracta Mathematicae)
• Local rings whose formal fibers are complete intersections (Extracta Mathematicae)
• Numerical radius attaining operators. (Extracta Mathematicae)
• Semiprime ternary algebras containing minimal right ideals (Extracta Mathematicae)
• About the finite groups whose minimal normal subgroups are union of two conjugacy classes exactly (Extracta Mathematicae)
• On the number of conjugacy classes of pi-elements in a finite group (Extracta Mathematicae)
• Order relation in quadratic Jordan rings and a structure theorem (Extracta Mathematicae)
• The Joly's construction: A common property of some generalized orthogonalities. (Extracta Mathematicae)
• Some topological properties of stable norms. (Extracta Mathematicae)
• A characterization of smooth and regular algebras in characteristic zero. (Extracta Mathematicae)
• Finitely self-cogenerated quasi-injective modules and their endomorphism rings. (Extracta Mathematicae)
• Les algèbres symétriques à gauche en dimension deux. (Extracta Mathematicae)
• Déformation des algèbres de Bernstein normales. (Extracta Mathematicae)
• Finitely additive integration. (Extracta Mathematicae)
• Conjugacy classes in finite groups II. (Extracta Mathematicae)
• Smooth toral actions on principal bundles and characteristic classes. (Extracta Mathematicae)
• Orthogonally complete alternative rings. (Extracta Mathematicae)
• Functional characterization of best and good approximation in normed product spaces. (Extracta Mathematicae)
• Local convexity is a three-space property for non-archimedean Fréchet spaces (Extracta Mathematicae)

• Central closure of prime non commutative Jordan algebras with nonzero socle (Extracta Mathematicae)
• On the three series theorem in number theory (Extracta Mathematicae)
• Compactoids in some spaces of continuous functions. (Extracta Mathematicae)
• Almost everywhere convergence of Fourier integrals in Rn (Extracta Mathematicae)
• Semi-Fredholm operators and semigroups associated with some classical operators ideals (II) (Extracta Mathematicae)
• Inversion formulas for Dirichlet series (Extracta Mathematicae)
• Feuilletages en tores infinis de fibrés de Seifert (Extracta Mathematicae)
• Nonselfadjoint boundary value problems at resonance. Nonlinearities which may grow linearly. (Extracta Mathematicae)
• Varieties of nilpotent Lie algebras of dimension less than 8 (Extracta Mathematicae)
• Orthogonality in normed linear spaces. A survey I: Main properties. (Extracta Mathematicae)
• Strictly γ-typical sequences of orthogonal polynomials. (Extracta Mathematicae)
• A transfinite extension of the covering dimension (Extracta Mathematicae)
• Compactoid sets in p-adic locally convex spaces (Extracta Mathematicae)
• The sum problem for Hilbert spaces (Extracta Mathematicae)
• Un teorema de Prokhorov para medidas de radón de tipo (H) (Extracta Mathematicae)
• Lifting results for sequences in Banach spaces (Extracta Mathematicae)
• Dimension of dense subalgebras of C(X) (Extracta Mathematicae)
• Semi-Fredholm operators and semigroups associated with some classical operator ideals (Extracta Mathematicae)
• Some results on dimension theory: Universal spaces (Extracta Mathematicae)
• Algèbres p-normées saturées (Extracta Mathematicae)
• Endomorphism rings through equivalences (Extracta Mathematicae)
• Strictly singular and strictly cosingular operators on C(K,E) (Extracta Mathematicae)
• Ecuación de la superficie de Kummer (Extracta Mathematicae)
• Unconditionally converging operators and Fredholm theory (Extracta Mathematicae)
• Semiembeddings and semi-Fredholm operators (Extracta Mathematicae)
• Characterizations of tauberian operators and other semigroups (Extracta Mathematicae)
• On the length of the absolute Samuel stratum (Extracta Mathematicae)
• Cardano type entire functions (Extracta Mathematicae)
• On Banach spaces containing complemented copies of C0 (Extracta Mathematicae)
• Groupoïde d'homotopie d'un feuilletage Riemannien et réalisation symplectique de certaines variétés de Poisson (Extracta Mathematicae)
• A note on Halley's method (Extracta Mathematicae)
• Continuity of derivations on a complete normed alternative algebra (Extracta Mathematicae)
• Finite groups with exactly thirteen conjugacy classes (Extracta Mathematicae)
• On strong small transfinite dimension and D-dimension (Extracta Mathematicae)
• Lattice isomorphisms of alternative algebras (Extracta Mathematicae)
• Alternative algebras which are L-isomorphic to a central division Cayley-Dickson algebra of characteristic 2 (Extracta Mathematicae)

• The limit set of Fuchsian and Kleinian groups. (Extracta Mathematicae)
• Delta-dimension: A transfinite extension of the small inductive dimension (Extracta Mathematicae)
• A note on relative F.B.N. rings. (Extracta Mathematicae)
• Von Neumann regularity in Jordan Banach triple systems (Extracta Mathematicae)
• On Grothendieck space ideals (Extracta Mathematicae)
• Periodic solutions of hamiltonians systems with strong resonance at infinity. (Extracta Mathematicae)
• Some fsubsigma-sets in L(E,F) for the weak operator topology (Extracta Mathematicae)
• Ideal semigroups associated to an operator ideal (Extracta Mathematicae)
• A system of axioms for measures on noncompactness (Extracta Mathematicae)
• On the surjective Dunford-Pettis property (Extracta Mathematicae)
• Partages de type Borsuk (Extracta Mathematicae)
• Nonlinear Volterra equations and physical applications. [Appendix: On an extension of Gripenberg's condition]. (Extracta Mathematicae)
• Finitely additive integration II (Extracta Mathematicae)
• Uniform integrability and convergence in the pth-mean of randomly weighted sums (Extracta Mathematicae)
• Utumi endomorphism rings of dual modules (Extracta Mathematicae)
• Duality properties of injective modules (Extracta Mathematicae)
• Fixed points for compositions of set-valued maps (Extracta Mathematicae)
• Integrability theorems for a generalized Laplace transform (Extracta Mathematicae)
• Some embeddings for phi_d. (Extracta Mathematicae)
• On the structure of G-spaces (Extracta Mathematicae)
• An operator ideal associated to tauberian operators (Extracta Mathematicae)
• The conjugacy vector of a p-group of maximal class (I) (Extracta Mathematicae)
• Conjugacy classes in a p-group of maximal class of order p^8 (Extracta Mathematicae)
• Examples of tauberian operators (Extracta Mathematicae)
• Non-archimedean Hilbert spaces and adjoint operators (Extracta Mathematicae)
• Orthogonality in normed linear spaces: A survey. Part II: Relations between main orthogonalities. (Extracta Mathematicae)
• Ecuaciones en derivadas parciales con pertubaciones estocásticas (Extracta Mathematicae)
• Hall pi-subgroups and conjugacy classes (Extracta Mathematicae)
• Gap and perturbation of non-semi-Fredholm operators. (Extracta Mathematicae)
• Caracterisations des C*-algèbres par le calcul fonctionnel. (Extracta Mathematicae)
• Caracterisations de certaines algèbres de Banach par le calcul fonctionnel (Extracta Mathematicae)
• On the index of weakly Fredholm operators (Extracta Mathematicae)
• Nontrivial solutions to nonlinear Volterra equations (Extracta Mathematicae)
• Nonexistence of nontrivial solutions to some nonlinear Volterra equations. (Extracta Mathematicae)
• Note on nontrivial solutions to nonlinear Volterra equations. (Extracta Mathematicae)
• Aproximation of convex bodies by polynomial bodies I: Existence theorems (Extracta Mathematicae)
• Approximation of convex bodies by polynomial bodies II: Width and radius cases (Extracta Mathematicae)
• Approximations of convex bodies by polynomial bodies III: Area case (Extracta Mathematicae)