JournalspmVol. 68, No. 3

Volume 68, No. 3 (2011)

Portugaliae Mathematica

Port. Math. cover

pp. 239–257
Agreeable solutions of variational problems
Alexander J. Zaslavski
pp. 259–278
A universal enveloping algebra of Malcev superalgebras
Elisabete Barreiro
pp. 279–296
On the stabilization and controllability for a third order linear equation
Patrícia Nunes da SilvaCarlos Frederico Vasconcellos
pp. 297–316
Sums of seventh powers in the polynomial ring $F_{2^{m}} [T]$
Mireille Car
pp. 317–343
Product approximations for solutions to a class of evolution equations in Hilbert space
Pierre-A. VuillermotWalter F. Wreszinski
pp. 345–367
Null controllability of degenerate parabolic cascade systems
El Mustapha Ait Ben HassiFarid Ammar KhodjaAbdelkarim HajjajLahcen Maniar