David Urbanik
PhD student interested in Math at the University of Toronto, post-doc at IHES starting September 2022.
david dot urbanik at utoronto dot ca
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About Me |
Auxiliary Work |
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(Extra) Isogeny-based Cryptography
Here is a collection of various non-published work related to isogeny-based cryptography. This does not include my published work in this area.
- My talk on SIDH on Youtube, with slides. Given at the University of Waterloo on July 12, 2016.
- A library for compressing and decompressing SIDH keys. This work led to a joint collaboration and was accepted to Eurocrypt 2017.
- Hand-optimized ARM64 assembler for SIDH finite field arithmetic, which has been incorporated into the Microsoft SIDH Library.
- My friendly introduction to Supersingular Isogeny Diffie-Hellman.
Other
This is a list of articles I have written on various miscellaneous topics, usually with the aim of presenting an original perspective on existing work. Given in reverse chronological order.
'18 | Aug | 10 |
Abstract and Explicit Constructions of Jacobian VarietiesMasters Thesis. Contains the results of my paper on the group law for hyperelliptic Jacobians, as well as an introduction to the mathematics necessary to describe the abstract construction of the Jacobian in modern scheme-theoretic language. |
'18 | May | 10 |
A Brief Introduction to Schemes and SheavesWritten to provide intuition, background, and motivation that I feel is lacking in most introductions. Best viewed as a supplement to a more detailed resource. |
'17 | May | 5 |
Reductions Between Families of Polynomials in Theory and in PracticeWritten as an undergraduate CS thesis. Covers some results of Valiant, and some inconsequential computational work of my own. |
'17 | Mar | 10 |
A Friendly Introduction to Supersingular Isogeny Diffie-HellmanFor readers with a mathematical background of at least a first course in group theory. |
'17 | Feb | 11 |
On Notation in Multivariable CalculusA detailed study of the function f(x,y)=x2 + y2 . |
'16 | Nov | 29 |
Quantum Physics and the Representation Theory of SU(2)Written as a project for a class on representation theory. |