Arye Deutsch

I stand against the starvation, the ethnic cleansing, and other crimes against humanity taking place in Gaza.

I am a PhD student in the Hebrew University of Jerusalem, supervised by Tomer Schlank and Yoel Groman.

My mathematical fields of interest include Homotopy theory, Differential topology, Category theory and Floer theory.

Currently, my research focuses on generalizing ideas and results from Floer theory by utilizing the new language of Floer homotopy theory. Feel free to reach out to me at: arye.deutsch@mail.huji.ac.il.

Conference talks

∞-categorical Introduction to Spectra
Sea of Galilee workshop on algebraic models for spaces 2021. Sea of Galilee, Israel

Floer homotopy theory old and new

Homotopy Day. Weizmann Institute of Science 2025
Video

Seminar talks and (selected) notes

Goodwillie TAQ tower
Synthetic methods in almost closed manifolds seminar. Jerusalem 2022
Notes

Adams Novikov spectral sequence and vanishing line
Synthetic methods in almost closed manifolds seminar. Jerusalem 2022
Notes

Morse Homology
Phd student seminar. Jerusalem 2022
Notes (these notes are written as theater play, not as a seminar notes).

Surgery theory: Intersection forms and L groups
Differential topology and the h-cobordism seminar, Jerusalem 2021
Notes (Hebrew)

Lens spaces and Reidemeister torsion
Differential topology and the h-cobordism seminar, Jerusalem 2021

Homotopy groups and pair of pants (Pontryagin's theorem)
Phd student seminar. Jerusalem 2021
Notes (Hebrew)

Frobenius algebras and 2D TQFT
Kan seminar, Jerusalem 2020
Notes

Chromatic spectral sequences and Greek letter construction
Seminar on Computational Aspects of Chromatic Homotopy, Jerusalem 2019

The firefighters problem on 2.5D

Faculty combinatorics seminar, Jerusalem , 2021
Slides

Master's thesis

I completed my master's thesis in combinatorics under the guidance of Ohad Noy Feldheim. You can find it here.

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