KLOBOUK, ABEL H.; VARELA, ALEJANDRO

Moment of a subspace and joint numerical range

LINEAR AND MULTILINEAR ALGEBRA; Año: 2022 p. 1 - 34

ANDRUCHOW, ESTEBAN; CHIUMIENTO, EDUARDO; VARELA, ALEJANDRO

Grassmann geometry of zero sets in reproducing kernel Hilbert spaces

JOURNAL OF MATHEMATICAL ANALYSIS AND APPLICATIONS; Año: 2021 vol. 500

ANDRUCHOW, ESTEBAN; CHIUMIENTO, EDUARDO; VARELA, ALEJANDRO

The c* -algebra of compact perturbations of diagonal operators

OPERATORS AND MATRICES; Año: 2021 vol. 15 p. 59 - 84

BOTTAZZI, TAMARA; VARELA, ALEJANDRO

Geodesic neighborhoods in unitary orbits of self-adjoint operators of K + C

DIFFERENTIAL GEOMETRY AND ITS APPLICATIONS; Año: 2021 vol. 77

MENDOZA, ALBERTO; RECHT, LÁZARO; VARELA, ALEJANDRO

Supports for minimal hermitian matrices

LINEAR ALGEBRA AND ITS APPLICATIONS; Lugar: Amsterdam; Año: 2020

BOTTAZZI, TAMARA; VARELA, ALEJANDRO

Unitary subgroups and orbits of compact self-Adjoint operators

STUDIA MATHEMATICA; Año: 2017 vol. 238 p. 155 - 176

KLOBOUK, ABEL H.; VARELA, ALEJANDRO

Concrete minimal 3 × 3 Hermitian matrices and some general cases

Demonstratio Mathematica; Lugar: Berlin; Año: 2017 vol. 50 p. 330 - 350

BOTTAZZI, T.; VARELA, A.

Minimal length curves in unitary orbits of a Hermitian compact operator

DIFFERENTIAL GEOMETRY AND ITS APPLICATIONS; Año: 2016 vol. 45 p. 1 - 22

LAROTONDA, GABRIEL; BOTTAZZI, TAMARA PAULA; ELENCWAJG, RENÉ; VARELA, ALEJANDRO

Inequalities related to Bourin and Heinz means with a complex parameter

JOURNAL OF MATHEMATICAL ANALYSIS AND APPLICATIONS; Lugar: Amsterdam; Año: 2015 vol. 426 p. 765 - 773

ANTEZANA, JORGE; LAROTONDA, GABRIEL; VARELA, ALEJANDRO

Optimal Paths for Symmetric Actions in the Unitary Group

COMMUNICATIONS IN MATHEMATICAL PHYSICS; Lugar: Berlin; Año: 2014 vol. 328 p. 481 - 497

ANDRUCHOW, ESTEBAN; LAROTONDA, GABRIEL; RECHT, LÁZARO; VARELA, ALEJANDRO

The left invariant metric in the general linear group

JOURNAL OF GEOMETRY AND PHYSICS; Lugar: Amsterdam; Año: 2014 vol. 86 p. 241 - 257

BOTTAZZI, TAMARA PAULA; VARELA, ALEJANDRO

Best approximation by diagonal compact operators 439 (2013), no. 10, 3044--3056.

LINEAR ALGEBRA AND ITS APPLICATIONS; Lugar: Amsterdam; Año: 2013 vol. 439 p. 3044 - 3056

ESTEBAN ANDRUCHOW; GABRIEL LAROTONDA; LÁZARO RECHT; ALEJANDRO VARELA

A characterization of minimal Hermitian matrices

LINEAR ALGEBRA AND ITS APPLICATIONS; Lugar: Amsterdam; Año: 2012 vol. 436 p. 2366 - 2374

ANTEZANA, JORGE; LAROTONDA, GABRIEL; VARELA, ALEJANDRO

Thompson-type formulae

JOURNAL OF FUNCTIONAL ANALYSIS; Lugar: Amsterdam; Año: 2012 vol. 262 p. 1515 - 1528

E. ANDRUCHOW; L. E. MATA-LORENZO; A. MENDOZA; L. RECHT; ALEJANDRO VARELA

Minimal matrices and the corresponding minimal curves on flag manifolds in low dimension

LINEAR ALGEBRA AND ITS APPLICATIONS; Año: 2009 vol. 430 p. 1906 - 1928

ANDRUCHOW, E.; MATA-LORENZO, L.; MENDOZA, A.; RECHT, L.; VARELA, A.

Minimal hermitian matrices with fixed entries outside the diagonal

REVISTA DE LA UNIóN MATEMáTICA ARGENTINA; Lugar: Bahía Blanca; Año: 2008 vol. 49 p. 17 - 28

ANDRUCHOW, E.; VARELA, A.

Non positively curved metric in the space of positive definite infinite matrices

REVISTA DE LA UNIóN MATEMáTICA ARGENTINA; Año: 2007 vol. 48 p. 7 - 15

ANDRUCHOW, E.; VARELA, A.

Metrics in the sphere of a C* module

Central European Journal of Mathematics - (Online); Lugar: Varsovia; Año: 2007 vol. 5 p. 639 - 653

ANDRUCHOW, E.; RECHT, L.; VARELA, A.

Metric geodesics of isometries in a Hilbert space and the extension problem

PROCEEDINGS OF THE AMERICAN MATHEMATICAL SOCIETY; Año: 2007 vol. 135 p. 2527 - 2537

ANDRUCHOW, E.; MATA-LORENZO, L.; MENDOZA, A.; RECHT, L.; VARELA, A.

Infinitely many minimal curves joining arbitrarily close points in homogeneous spaces of the unitary group of a C*-algebra

REVISTA DE LA UNIóN MATEMáTICA ARGENTINA; Año: 2006 vol. 46 p. 113 - 120

E. ANDRUCHOW Y A. VARELA

States with equivalent supports

JOURNAL OF OPERATOR THEORY; Lugar: Bucarest; Año: 2005 vol. 53 p. 35 - 48

ANDRUCHOW, ESTEBAN; VARELA, ALEJANDRO

C*-modular vector states

INTEGRAL EQUATIONS AND OPERATOR THEORY; Año: 2005 vol. 52 p. 149 - 163

ANDRUCHOW, ESTEBAN; VARELA, ALEJANDRO

States with equivalent supports

JOURNAL OF OPERATOR THEORY; Lugar: Bucarest; Año: 2005 vol. 53 p. 35 - 48

E. ANDRUCHOW Y A. VARELA

Riemannian geometry of finite rank positive operators

DIFFERENTIAL GEOMETRY AND ITS APPLICATIONS; Año: 2005 vol. 23 p. 305 - 326

ESTEBAN ANDRUCHOW,; ALEJANDRO VARELA

Homotopy of state orbits

JOURNAL OF OPERATOR THEORY; Año: 2002 vol. 48 p. 419 - 430

ALEJANDRO VARELA

Geometry on state and weight orbits

Boletín de la academia nacional de ciencias: Córdoba; Año: 1999 vol. 63 p. 101 - 111

ESTEBAN ANDRUCHOW,; ALEJANDRO VARELA

Weight centralizer expectations with finite index

MATHEMATICA SCANDINAVICA; Año: 1999 vol. 84 p. 243 - 260

ANDRUCHOW, ESTEBAN; VARELA, ALEJANDRO

Geometry and the Jones projection of a state

INTEGRAL EQUATIONS AND OPERATOR THEORY; Lugar: Berna; Año: 1996 vol. 25 p. 129 - 146