JournalspmVol. 68, No. 2Volume 68, No. 2 (2011) Portugaliae Mathematicapp. 125–147Fixed point theorems for 1-set weakly contractive and pseudocontractive operators on an unbounded domainAfif Ben AmarJesús Garcia-Falsetpp. 149–176Linear motions in a periodically forced Kepler problemRafael Ortegapp. 177–183On the endomorphism monoid of a profinite semigroupBenjamin Steinbergpp. 185–189The Fibonacci version of the Brocard–Ramanujan Diophantine equationDiego Marquespp. 191–203Bi-Lipschitz equivalent metrics on groups, and a problem in additive number theoryMelvyn B. Nathansonpp. 205–238Uniform decay rates of coupled anisotropic elastodynamic/Maxwell equations with nonlinear dampingCleverson Roberto da LuzGustavo Alberto Perla Menzala
pp. 125–147Fixed point theorems for 1-set weakly contractive and pseudocontractive operators on an unbounded domainAfif Ben AmarJesús Garcia-Falset
pp. 191–203Bi-Lipschitz equivalent metrics on groups, and a problem in additive number theoryMelvyn B. Nathanson
pp. 205–238Uniform decay rates of coupled anisotropic elastodynamic/Maxwell equations with nonlinear dampingCleverson Roberto da LuzGustavo Alberto Perla Menzala