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Portugaliae Mathematica


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Volume 68, Issue 2, 2011
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Fixed point theorems for 1-set weakly contractive and pseudocontractive operators on an unbounded domain
Afif Ben Amar and Jes├║s Garcia-Falset
pp. 125–147
Abstract | Full-Text PDF (165 KB) | Metadata

Linear motions in a periodically forced Kepler problem
Rafael Ortega
pp. 149–176
Abstract | Full-Text PDF (191 KB) | Metadata

On the endomorphism monoid of a profinite semigroup
Benjamin Steinberg
pp. 177–183
Abstract | Full-Text PDF (69 KB) | Metadata

The Fibonacci version of the BrocardÔÇôRamanujan Diophantine equation
Diego Marques
pp. 185–189
Abstract | Full-Text PDF (53 KB) | Metadata

Bi-Lipschitz equivalent metrics on groups, and a problem in additive number theory
Melvyn B. Nathanson
pp. 191–203
Abstract | Full-Text PDF (98 KB) | Metadata

Uniform decay rates of coupled anisotropic elastodynamic/Maxwell equations with nonlinear damping
Cleverson Roberto da Luz and Gustavo Alberto Perla Menzala
pp. 205–238
Abstract | Full-Text PDF (209 KB) | Metadata