https://echtorc.github.io/course-on-algebraic-topology-homology-and-cohomology-winter-23/ https://echtorc.github.io/course-on-algebraic-topology-homotopy-theory-winter-24/ https://echtorc.github.io/course-on-duality-and-spectra-fall-24/ https://echtorc.github.io/course-on-stable-homotopy-theory-winter-24/ https://echtorc.github.io/course-on-stable-homotopy-theory-winter-25/ https://echtorc.github.io/course-on-stable-homotopy-theory-winter-26/ https://echtorc.github.io/course-on-stable-homotopy-theory/ https://echtorc.github.io/course-on-topological-k-theory-winter-23/ https://echtorc.github.io/code-of-conduct/ https://echtorc.github.io/courses/ https://echtorc.github.io/dormant-activities/ https://echtorc.github.io/minicourses/ https://echtorc.github.io/professional-development/ https://echtorc.github.io/reading-seminars/ https://echtorc.github.io/reports/ https://echtorc.github.io/reu-summer-23/ https://echtorc.github.io/reu-summer-24/ https://echtorc.github.io/research-seminar-reading-group/ https://echtorc.github.io/research-seminar/ https://echtorc.github.io/echt-research-seminar/ https://echtorc.github.io/research-workshops/ https://echtorc.github.io/seminar-machine-computation/ https://echtorc.github.io/network-fall-20/ https://echtorc.github.io/network-fall-22/ https://echtorc.github.io/ https://echtorc.github.io/kan-seminar-fall-19/ https://echtorc.github.io/kan-seminar-fall-20/ https://echtorc.github.io/kan-seminar-fall-22/ https://echtorc.github.io/kan-seminar-fall-23/ https://echtorc.github.io/kan-seminar-fall-24/ https://echtorc.github.io/kan-seminar-fall-25/ https://echtorc.github.io/kan-seminar-winter-22/ https://echtorc.github.io/kan-seminar-winter-25/ https://echtorc.github.io/reading-seminar-on-adams-spectral-sequence-for-topological-modular-forms-winter-23/ https://echtorc.github.io/reading-seminar-on-algebraic-k-theory-fall-20/ https://echtorc.github.io/reading-seminar-on-algebraic-vector-bundles-fall-23/ https://echtorc.github.io/reading-seminar-on-commutative-ring-spectra-winter-21/ https://echtorc.github.io/reading-seminar-on-equivariant-algebra-winter-21/ https://echtorc.github.io/reading-seminar-on-equivariant-homotopy-theory-fall-21/ https://echtorc.github.io/reading-seminar-on-floer-homotopy-theory-winter-22/ https://echtorc.github.io/reading-seminar-on-foundations-of-hermitian-k-theory-fall-21/ https://echtorc.github.io/reading-seminar-on-group-actions-on-exotic-spheres-winter-26/ https://echtorc.github.io/reading-seminar-on-homotopical-combinatorics-winter-25/ https://echtorc.github.io/reading-seminar-on-hopf-rings-winter-24/ https://echtorc.github.io/reading-seminar-on-kervaire-invariant-one-fall-20/ https://echtorc.github.io/reading-seminar-on-mahowald-invariant-fall-22/ https://echtorc.github.io/reading-seminar-on-motives-spring-20/ https://echtorc.github.io/reading-seminar-on-quadratic-curve-counting-fall-24/ https://echtorc.github.io/reading-seminar-on-secondary-steenrod-algebra-fall-25/ https://echtorc.github.io/reading-seminar-on-synthetic-spectra-winter-22/ https://echtorc.github.io/reading-seminar-on-topological-hochschild-homology-spring-20/ https://echtorc.github.io/who-we-are/ https://echtorc.github.io/files/BOSS.pdf 2026-10-19T14:22:14+00:00 https://echtorc.github.io/files/StableHomotopyTheory_Winter2026_MattieJi.pdf 2026-10-19T14:22:14+00:00 https://echtorc.github.io/files/a-geometric-introduction-to-k-theory.pdf 2026-10-19T14:22:14+00:00 https://echtorc.github.io/files/algebraic-topology-course-winter-23-syllabus.pdf 2026-10-19T14:22:14+00:00 https://echtorc.github.io/files/algebraic-topology-course-winter-24-syllabus.pdf 2026-10-19T14:22:14+00:00 https://echtorc.github.io/files/algebraic-vector-bundles-syllabus.pdf 2026-10-19T14:22:14+00:00 https://echtorc.github.io/files/angelini-knoll.pdf 2026-10-19T14:22:14+00:00 https://echtorc.github.io/files/ass-tmf-syllabus.pdf 2026-10-19T14:22:14+00:00 https://echtorc.github.io/files/baker.pdf 2026-10-19T14:22:14+00:00 https://echtorc.github.io/files/balderrama.pdf 2026-10-19T14:22:14+00:00 https://echtorc.github.io/files/bergner-1.pdf 2026-10-19T14:22:14+00:00 https://echtorc.github.io/files/bergner-2.pdf 2026-10-19T14:22:14+00:00 https://echtorc.github.io/files/bergner-3.pdf 2026-10-19T14:22:14+00:00 https://echtorc.github.io/files/bergner-4.pdf 2026-10-19T14:22:14+00:00 https://echtorc.github.io/files/calle-prime-ideals.pdf 2026-10-19T14:22:14+00:00 https://echtorc.github.io/files/carrick-thesis.pdf 2026-10-19T14:22:14+00:00 https://echtorc.github.io/files/course_notes_MattieJi.pdf 2026-10-19T14:22:14+00:00 https://echtorc.github.io/files/dgm-book.pdf 2026-10-19T14:22:14+00:00 https://echtorc.github.io/files/elliptic-cohomology.pdf 2026-10-19T14:22:14+00:00 https://echtorc.github.io/files/elmanto.pdf 2026-10-19T14:22:14+00:00 https://echtorc.github.io/files/equivariant-k-theory.pdf 2026-10-19T14:22:14+00:00 https://echtorc.github.io/files/gerhardt.pdf 2026-10-19T14:22:14+00:00 https://echtorc.github.io/files/guide-to-mackey-functors.pdf 2026-10-19T14:22:14+00:00 https://echtorc.github.io/files/guillou-1.pdf 2026-10-19T14:22:14+00:00 https://echtorc.github.io/files/guillou-2.pdf 2026-10-19T14:22:14+00:00 https://echtorc.github.io/files/guillou-3.pdf 2026-10-19T14:22:14+00:00 https://echtorc.github.io/files/guillou-4.pdf 2026-10-19T14:22:14+00:00 https://echtorc.github.io/files/guillou-problem-1.pdf 2026-10-19T14:22:14+00:00 https://echtorc.github.io/files/guillou-problem-2.pdf 2026-10-19T14:22:14+00:00 https://echtorc.github.io/files/hess1.pdf 2026-10-19T14:22:14+00:00 https://echtorc.github.io/files/hess2.pdf 2026-10-19T14:22:14+00:00 https://echtorc.github.io/files/hess3.pdf 2026-10-19T14:22:15+00:00 https://echtorc.github.io/files/hopf-rings-syllabus.pdf 2026-10-19T14:22:15+00:00 https://echtorc.github.io/files/incomplete-tambara-functors.pdf 2026-10-19T14:22:15+00:00 https://echtorc.github.io/files/isaksen-1.pdf 2026-10-19T14:22:15+00:00 https://echtorc.github.io/files/isaksen-2.pdf 2026-10-19T14:22:15+00:00 https://echtorc.github.io/files/isaksen-3.pdf 2026-10-19T14:22:15+00:00 https://echtorc.github.io/files/isaksen-exercises.pdf 2026-10-19T14:22:15+00:00 https://echtorc.github.io/files/k-theory-course-winter-23-syllabus.pdf 2026-10-19T14:22:15+00:00 https://echtorc.github.io/files/knudsen1.pdf 2026-10-19T14:22:15+00:00 https://echtorc.github.io/files/knudsen2.pdf 2026-10-19T14:22:15+00:00 https://echtorc.github.io/files/kupers-1.pdf 2026-10-19T14:22:15+00:00 https://echtorc.github.io/files/kupers-2.pdf 2026-10-19T14:22:15+00:00 https://echtorc.github.io/files/kupers-3.pdf 2026-10-19T14:22:15+00:00 https://echtorc.github.io/files/kupers-4.pdf 2026-10-19T14:22:15+00:00 https://echtorc.github.io/files/li.pdf 2026-10-19T14:22:15+00:00 https://echtorc.github.io/files/lu.pdf 2026-10-19T14:22:15+00:00 https://echtorc.github.io/files/mahowald-rezk.pdf 2026-10-19T14:22:15+00:00 https://echtorc.github.io/files/malkiewich.pdf 2026-10-19T14:22:15+00:00 https://echtorc.github.io/files/mathew-2.pdf 2026-10-19T14:22:15+00:00 https://echtorc.github.io/files/mathew-3.pdf 2026-10-19T14:22:15+00:00 https://echtorc.github.io/files/mathew-4.pdf 2026-10-19T14:22:15+00:00 https://echtorc.github.io/files/may-1.pdf 2026-10-19T14:22:15+00:00 https://echtorc.github.io/files/may-2.pdf 2026-10-19T14:22:15+00:00 https://echtorc.github.io/files/may-3.pdf 2026-10-19T14:22:15+00:00 https://echtorc.github.io/files/mehrle-power-ops.pdf 2026-10-19T14:22:15+00:00 https://echtorc.github.io/files/merling1.pdf 2026-10-19T14:22:15+00:00 https://echtorc.github.io/files/merling2.pdf 2026-10-19T14:22:15+00:00 https://echtorc.github.io/files/merling3.pdf 2026-10-19T14:22:15+00:00 https://echtorc.github.io/files/merling4.pdf 2026-10-19T14:22:15+00:00 https://echtorc.github.io/files/open-problems-hopf-rings.pdf 2026-10-19T14:22:15+00:00 https://echtorc.github.io/files/p-adic-homotopy-theory.pdf 2026-10-19T14:22:15+00:00 https://echtorc.github.io/files/petersen.pdf 2026-10-19T14:22:15+00:00 https://echtorc.github.io/files/prasit.pdf 2026-10-19T14:22:15+00:00 https://echtorc.github.io/files/quadratic-curve-counting-syllabus.pdf 2026-10-19T14:22:15+00:00 https://echtorc.github.io/files/ravenel-1.pdf 2026-10-19T14:22:15+00:00 https://echtorc.github.io/files/ravenel-2.pdf 2026-10-19T14:22:15+00:00 https://echtorc.github.io/files/ravenel-3.pdf 2026-10-19T14:22:15+00:00 https://echtorc.github.io/files/ravenel-4.pdf 2026-10-19T14:22:15+00:00 https://echtorc.github.io/files/report-year-1.pdf 2026-10-19T14:22:15+00:00 https://echtorc.github.io/files/report-year-2.pdf 2026-10-19T14:22:15+00:00 https://echtorc.github.io/files/report-year-3.pdf 2026-10-19T14:22:15+00:00 https://echtorc.github.io/files/report-year-4.pdf 2026-10-19T14:22:15+00:00 https://echtorc.github.io/files/slides-1.pdf 2026-10-19T14:22:15+00:00 https://echtorc.github.io/files/slides-3.pdf 2026-10-19T14:22:15+00:00 https://echtorc.github.io/files/slides-4.pdf 2026-10-19T14:22:15+00:00 https://echtorc.github.io/files/stable-homotopy-theory-course-spring-24-syllabus.pdf 2026-10-19T14:22:15+00:00 https://echtorc.github.io/files/stable-homotopy-theory-course-winter-25-syllabus.pdf 2026-10-19T14:22:15+00:00 https://echtorc.github.io/files/stable-homotopy-theory-course-winter-26-syllabus.pdf 2026-10-19T14:22:15+00:00 https://echtorc.github.io/files/stack.pdf 2026-10-19T14:22:15+00:00 https://echtorc.github.io/files/stapleton-slides.pdf 2026-10-19T14:22:15+00:00 https://echtorc.github.io/files/stojanoska.pdf 2026-10-19T14:22:15+00:00 https://echtorc.github.io/files/stojanoska2.pdf 2026-10-19T14:22:15+00:00 https://echtorc.github.io/files/suggested-exercise-hopf-rings.pdf 2026-10-19T14:22:15+00:00 https://echtorc.github.io/files/suggested-reading-hopf-rings.pdf 2026-10-19T14:22:15+00:00 https://echtorc.github.io/files/syllabus.pdf 2026-10-19T14:22:15+00:00 https://echtorc.github.io/files/tambara-functors.pdf 2026-10-19T14:22:15+00:00 https://echtorc.github.io/files/thh-lectures.pdf 2026-10-19T14:22:15+00:00 https://echtorc.github.io/files/vector-bundles-and-k-theory.pdf 2026-10-19T14:22:15+00:00 https://echtorc.github.io/files/yuan.pdf 2026-10-19T14:22:15+00:00 https://echtorc.github.io/files/zhang.pdf 2026-10-19T14:22:15+00:00