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A locally compact group has the Haagerup property, or is a-T-menable in the sense of Gromov, if it admits a proper isometric action on some affine Hilbert space. As Gromov's pun is trying to indicate, this definition is designed as a strong negation to Kazhdan's property (T), characterized by the fact that every isometric action on some affine Hilbert space has a fixed point. This book is to covers various aspects of the Haagerup property. It gives several new examples.

In this Very Short Introduction, Terrence Allen and Graham Cowling offer an illuminating account of the nature of cells--their basic structure, forms, division, signaling, and programmed death. Allen and Cowling start with the simple "prokaryotic" cell--cells with no nucleus--and show how the bodies of more complex plants and animals consist of billions of "eukaryotic" cells, of varying kinds, adapted to fill different roles--red blood cells, muscle cells, branched neurons. The authors also show that each cell is an astonishingly complex chemical factory, the activities of which we have only...

This text contains 28 papers from 12 countries that reflect the current state-of-the-art in the early 1990s of: modelling in loading, fatigue and IMR strategy, and more than 50% of the papers originate from authors based in industry or government departments.

13 original short stories, articles and poems from talented authors of horror from around the world. Published monthly.
Devolution Z Magazine accepts supernatural horror short story and poetry submissions. We now also accept articles based on local and urban legends, myths, terrifying encounters, and all things supernatural and frightening.
In this issue:
POETRY
"Blood Rain Falls" by Wesley D. Gray
"The Dead of Night" by David Southam
"The Voices in My Head" by Travis Laurence Naught
ARTICLES
"Murder Creek, Alabama" by Jay Michael Wright II
"Pyre's True...