JournalspmVol. 67, No. 4Portugaliae MathematicaVolume 67, Number 4, 2010DOI: 10.4171/pm | ISSN: 0032-5155 | eISSN: 1662-2758On Lorentz nuclear homogeneous polynomials between Banach spacesVinícius Vieira FávaroMário Carvalho MatosDaniel Pellegrinopp. 413–435The poset of closure systems on an infinite poset: detachability and semimodularityChristian Ronsepp. 437–452Intrinsic characteristic classes of a local Lie groupEnder AbadoğluErcüment Ortaçgilpp. 453–483Bounded lattice structured discriminator varietiesMargarita Ramalhopp. 485–509Urcohomologies and cohomologies of <var>N</var>-complexesNaoya HiramatsuGoro C. Katopp. 511–524Exponential decay of hyperbolic times for Benedicks–Carleson quadratic mapsJorge Milhazes Freitaspp. 525–540An extension of Minkowski’s theorem to simply connected 2-step nilpotent groupsMartin Moskowitzpp. 541–546

On Lorentz nuclear homogeneous polynomials between Banach spacesVinícius Vieira FávaroMário Carvalho MatosDaniel Pellegrinopp. 413–435

The poset of closure systems on an infinite poset: detachability and semimodularityChristian Ronsepp. 437–452

Exponential decay of hyperbolic times for Benedicks–Carleson quadratic mapsJorge Milhazes Freitaspp. 525–540

An extension of Minkowski’s theorem to simply connected 2-step nilpotent groupsMartin Moskowitzpp. 541–546