Search

28 May 2004: If c does not reduce to a point, then the isotropy group of c is afinite subgroup of S1 isomorphic to Zk for some k 1. ... If X2 is not a homotopy sphere,there is a minimal degree in which its homology is non-trivial for some coefficientfield kp.

7 Oct 2004: Here are two ex-amples. First, in elementary geometry one some-times cares about shapes but not about sizes. ... Some-times, actual elimination is not possible, but onefeels it could be done in principle.

6 Jul 2004: How-ever I follow some computer science communities by using diagrammatic mota-tion for composition:. ... Also the interpretation is not sensitive to negation. Despitethat the intrepretation does detect some structural features of proofs.

21 Oct 2004: If a, b S, then a L and b K for some specialchains. ... Let A be the closedBanach algebra generated by e and some a B.

13 Nov 2004: 2|A B|2. Hence there is some set C such thate(C, C) 1. ... ij2 , B. ij1 and B. ij2 is a union of some of the Xih.

27 Jan 2004: chain in (M̃,x,y). The image of this (i 1)-chain is contained in some compact. ... The largest such m is calledthe multiplicity of the fibre. Multiple fibres can only be of type Ik for some k.