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• CommentRowNumber1.
• CommentAuthoramathew
• CommentTimeOct 17th 2009
I added a description of the degenerate affine Hecke algebra to the Hecke algebra page as one of the many variants.

I added the categorical generalization of Schur's lemma to that page.

I wrote a short stub on the additive envelope of a category, which Mike Shulman has expanded.

I mentioned the generalization of the Morse lemma to Hilbert manifolds.

I added the generalization of Hilbert's basis theorem to the case of where the ground ring is noetherian (not necessarily a field).

I wrote a short page on the Eilenberg swindle.
• CommentRowNumber2.
• CommentAuthorzskoda
• CommentTimeOct 17th 2009
• (edited Oct 17th 2009)
So, what is the reference for Morse lemma for Hilbert manifolds ? I might have seen it, but too long time ago to remember...Note the difference in iTeX between writing $Ax$ and $A x$.
• CommentRowNumber3.
• CommentAuthoramathew
• CommentTimeOct 17th 2009

It’s in Differential and Riemannian Manifolds by Serge Lang.

• CommentRowNumber4.
• CommentAuthorJonAwbrey
• CommentTimeOct 17th 2009
• (edited Oct 17th 2009)

E-synchronicity strikes again!

I was doing a study and e-lecture ramble on DARM a few years back …

Lemme track it down and see if I can find a copy of my notes out there …