Serre Spectral Sequence. Motivation

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SUMMARY

The discussion focuses on the Serre spectral sequence, particularly its derivation from a fibration F->E->B, where B is a CW-complex. The user seeks clarity on how the fiber of the n-skeleton leads to a filtered chain complex that defines a differential, ultimately forming the basis for the spectral sequence. Key components include the initial sheet E_r (where r=0,1,2) and the convergence of sheets in the first quadrant. The conversation emphasizes the need for a deeper understanding of the construction and application of spectral sequences.

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  • Understanding of fibrations in topology
  • Familiarity with CW-complexes
  • Knowledge of filtered chain complexes
  • Basic concepts of homology theory
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  • Study the construction of spectral sequences in "Homological Algebra" by Henri Cartan and Samuel Eilenberg
  • Learn about the properties of fibrations and their role in algebraic topology
  • Explore the application of filtered chain complexes in various topological contexts
  • Review examples of spectral sequences in "Algebraic Topology" by Allen Hatcher
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Mathematicians, particularly those specializing in algebraic topology, graduate students studying spectral sequences, and researchers looking to deepen their understanding of homological algebra.

WWGD
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Hi, everyone. I don't know if this is the right forum, here it goes:

I have been reading on Serre's spectral sequence (Wiki, Hatcher). I understand the general goal, but I don't get well the process:

how does a fibration F->E->B

give rise to a spectral sequence?.

Thanks.
 
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I guess I should be less impulsive in my posting: I just remembered that the base

B is assumed a CW-complex, and that we consider the fiber of the n-skeleton,

and this fiber somehow has the structure of a filtered chain complex. we somehow

define in this filtered complex, a differential. Then we just have a filtered chain complex,

and we follow the recipe for it .Still, the details are fuzzy.


Also: what are the general ingredients for a spectral sequence?. We start with

a sheet E_ro (ro=0,1,2, usually, ABAIK---Asbestos I know), then the next sheet

is isomorphic to the homology of E_ro, and we then go on, until the sheets converge

(we assume the sheets are non-zero only in the first quadrant, so that we run out

of groups as we approach the quadrants.)


Anyway, I would appreciate some comments, both on the Serre spectral, and

in general for spectral sequences.


Thanks.
 

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