Algebraic & Geometric Topology v.12 n.1 2012

ISSN 1472-2747 

CONTENTS

 

Statistical hyperbolicity in groups 1 Moon Duchin, Samuel Lelièvre and Christopher Mooney

A lower bound for the number of group actions on a compact Riemann surface 19 James W Anderson and Aaron Wootton

Expanders and property A 37 Ana Khukhro and Nick J Wright

Unstable Adams operations on p–local compact groups 49 Fabien Junod, Ran Levi and Assaf Libman

Estimating the higher symmetric topological complexity of spheres 75 Roman Karasev and Peter Landweber

On piecewise linear cell decompositions 95 Alexander Kirillov, Jr

On diffeomorphisms over nonorientable surfaces standardly embedded in the 4–sphere 109 Susumu Hirose

Indecomposable PD3–complexes 131 Jonathan A Hillman

Locally symmetric spaces and K–theory of number fields 155 Thilo Kuessner

On volumes of hyperbolic orbifolds 215 Ilesanmi Adeboye and Guofang Wei

Generalized Mom-structures and ideal triangulations of 3–manifolds with nonspherical boundary 235 Ekaterina Pervova

Lagrangian mapping class groups from a group homological point of view 267 Takuya Sakasai

A note on Gornik's perturbation of Khovanov–Rozansky homology 293 Andrew Lobb

Spectra associated to symmetric monoidal bicategories 307 Angélica M Osorno

Higher cohomologies of modules 343 María Calvo, Antonio M Cegarra and Nguyen T Quang

Noninjectivity of the “hair” map 415 Bertrand Patureau-Mirand

Bounded orbits and global fixed points for groups acting on the plane 421 Kathryn Mann

Lusternik–Schnirelmann category and the connectivity of X 435 Nicholas A Scoville

Some bounds for the knot Floer τ–invariant of satellite knots 449 Lawrence P Roberts

Associahedra and weak monoidal structures on categories 469 Zbigniew Fiedorowicz, Steven Gubkin and Rainer M Vogt

On the product in negative Tate cohomology for finite groups 493 Haggai Tene

Splittings of non-finitely generated groups 511 Robin M Lassonde

Motivic twisted K–theory 565 Markus Spitzweck and Paul Arne Østvær

Characteristic classes of proalgebraic varieties and motivic measures 601 Shoji Yokura