Universität Regensburg   IMPRESSUM   DATENSCHUTZ
Fakultät für Mathematik Universität Regensburg
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Introduction to Stable Homotopy Theory
Semester
SoSe 2026

Lecturer
Bastiaan Cnossen

Type of course (Veranstaltungsart)
Vorlesung

German title
Einführung in die Stabile Homotopietheorie

Contents
Stable homotopy theory is the study of spectra: homotopical versions of abelian groups. While
traditionally seen as a subfield of algebraic topology, techniques from stable homotopy theory are
becoming increasingly important in various neighboring fields. In the course, we will: 1)
Introduce the formalism of oo-categories 2) Introduce stable oo-categories and the oo-category of
spectra 3) Study homological algebra via derived oo-categories 4) Study examples of spectra, like
topological K-theory, and techniques like localizations and completions.

Literature
Bastiaan Cnossen - Stable Homotopy Theory and Higher Algebra

Recommended previous knowledge
Category theory, algebraic topology (e.g. homotopy/homology/cohomology groups)

Time/Date
Mo 16-18, Wed 10-12, Exercises Th 14-16

Location
Mo M102, Wed M102, Exercises: M009

Course homepage
https://sites.google.com/view/bastiaan-cnossen/teaching/so26-introduction-to-stable-homotopy-theory
(Disclaimer: Dieser Link wurde automatisch erzeugt und ist evtl. extern)

Registration
  • Registration for course work/examination/ECTS: FlexNow
Course work (Studienleistungen)
  • Successful participation in the exercise classes: Presenting solution of an exercise
Examination (Prüfungsleistungen)
  • Oral exam: Duration: 25-30 mins, Date: t.b.a., re-exam: Date:
Modules
MV, MGAGeo

ECTS
9