Joshua Moerman
10 years ago
1 changed files with 40 additions and 11 deletions
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My thesis |
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Rational Homotopy Theory |
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======================== |
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At the time of writing this repo consists of some notes only. |
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Will be about rational homotopy theory or something. |
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Master thesis on Rational Homotopy Theory, the study of homotopy without |
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torsion. The thesis mainly focuses on the Sullivan equivalence, which models |
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rational spaces by commutative differential graded algebras (contrary to |
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Quillen's dual approach which considers coalgebras). These objects are nice |
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since they are very similar to polynomial rings and hence allow for easy |
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calculations. The construction which allows us to go back and forth between |
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spaces and algebras resembles ideas from differential geometry (namely De Rham's |
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cochain complex), but can be applied to any topological space. Applications |
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include the calculation of all rational homotopy groups of all spheres (in |
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contrast to the integral case where many groups remain unknown as of today) and |
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a result towards Adams' theorem (stating that only the spheres S0, S1, S3 and S7 |
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are H-spaces). |
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## building |
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It will create a build directory for all those stupid latex files. |
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``` |
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cd thesis |
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make |
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open thesis.pdf |
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``` |
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## Contents: |
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1. Basics of Rational Homotopy theory |
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- Rational Homotopy Theory |
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- Serre Theorems mod C |
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- Rationalizations |
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2. CDGAs as Algebraic Models |
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- Homotopy theory for CDGAs |
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- Polynomial Forms |
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- Minimal Models |
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- The Main Equivalence |
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3. Applications and Further Topics |
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- Rational Homotopy Groups of the Spheres and Other Calculations |
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- Further Topics |
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4. Appendices |
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- Differential Graded Algebra |
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- Model Categories |
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## Building the pdf |
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|
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cd thesis |
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make |
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open thesis.pdf |
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