REVUE ROUMAINE DE MATHÉMATIQUES PURES ET APPLIQUÉES (ROMANIAN JOURNAL OF PURE AND APPLIED MATHEMATICS) TOME LIX • N

ROMANIAN ACADEMY

REVUE ROUMAINE DE MATHÉMATIQUES PURES ET APPLIQUÉES

(ROMANIAN JOURNAL OF PURE AND APPLIED MATHEMATICS)

TOME LIX • N^O 2 • 2014

SOMMAIRE

Special Issue Dedicated to Professor Şerban Strătilă on the Occasion of His 70th Birthday

Guest Editors: Florin P. BOCA and Dan TIMOTIN Foreword

Serban Teodor BELINSCHI L^∞-boundedness of density for free additive convolutions

H. BERCOVICI and W.S. LI Uniqueness in the solution of intersection problems in a factor of type II₁

M. FRAGOULOPOULOU Smooth manifolds vs differential triads and M.H. PAPATRIANTAFILLOU

A.YA. HELEMSKII Projectivity for operator modules: approach based on freedom

M. MBEKHTA, V. MÜLLER On additive preservers of semi-Browder

and M. OUDGHIRI operators

Remus NICOARA and Joseph WHITE The defect of a group-type commuting square

Liviu PĂUNESCU All automorphisms of the universal sofic group are class-preserving

Florin RĂDULESCU On unbounded, non-trivial Hochschild cohomology in finite von Neumann algebras and higher order Berezin’s quantization

Betül TANBAY A letter on the Kadison-Singer problem

A. ÜLGER A note on power bounded elements of von

Neumann algebras