David Roberts, 01 Mar 2013 http://arxiv.org/abs/1302.7019 The fundamental groupoid Pi_1 of a space is a fancier version of the ... http://arxiv.org/abs/1302…
David Roberts, 28 Feb 2013 http://arxiv.org/abs/1302.7019 The fundamental groupoid Pi_1 of a space is a fancier version of the ... http://arxiv.org/abs/1302…