Shai Keidar

Math homepage

I am a PhD student in the Hebrew University of Jerusalem supervised by Prof. Tomer Schlank .

My mathematical fields of interest include chromatic homotopy theory, higher semiadditivity, algebraic K-theory and trace methods, representation theory and higher category theory.


Contact: shai.keidar (at) mail.huji.ac.il

Organization

Caesarea Workshop on Topological Cyclic Homology

Lior Yanovski, Shay Ben-Moshe and myself organized the Caesarea workshop on topological cyclic homology in May 2023. Lecture notes from all talks are available.

Sea of Galilee workshop on algebraic models for spaces

Tomer Schlank, Segev Cohen and myself organized the Sea of Galilee workshop on algebraic models for spaces in September 2021.

Talks

The chromatic Hecke algebra
Poster, Young topologists meeting 2023, EPFL, Switzerland
Poster

The Telescopic Galois, Picard and Brauer Groups
Poster, Young topologists meeting 2022, Copnehagen, Denmark
Poster

The telescopic Galois, Picard, and Brauer Groups
Jerusalem-Münster Homotopy Fridays 2021, held over Zoom
Slides

Seminar talks and notes

Lichtenbaum-Quillen for ℓ^hZ
Telescope conjecture seminar, Jerusalem 2024
Notes

Boundedness in cyclotomic spectra
Telescope conjecture seminar, Jerusalem 2024
Notes

Polygonic spectra
Caesarea workshop on topological cyclic homology 2023
Notes

The cyclic category and THH
Münster-Jerusalem seminar about TC, 2023
Notes

The spectrum of a T(n)-local commutative algebra
Chromatic Nullstellensatz seminar organized by Paul VanKoughnett, Bonn 2022
Notes

The Bousfield-Kuhn Functor
Sea of Galilee workshop on algebraic models for spaces 2021, Sea of Galilee, Israel
Notes

Modular forms
Algebraic geometry and number theory lunch seminar, Jerusalem 2021
Video

Spivak normal structure
Differential topology and the h-cobordism seminar, Jerusalem 2021
Notes

Morse theory
Differential topology and the h-cobordism seminar, Jerusalem 2020
Notes

Master's thesis

I completed my master's thesis in geometric representation theory under the guidance of Prof. Dmitry Gourevitch. You can find it here.