%0 Journal Article
%T Dimensionally Challenged Gravities
%A S. Deser
%J Physics
%D 1998
%I arXiv
%X I review some ways in which spacetime dimensionality enters explicitly in gravitation. In particular, I recall some unusual geometrical gravity models that are constructible in dimensions different from four, especially in D=3 where even ordinary Einstein theory is "different", e.g., fully Machian.
%U http://arxiv.org/abs/gr-qc/9812013v1