Robert Young
ryoung@cims.nyu.edu / 
rjy214@nyu.edu
WWH 601
251 Mercer St.
New York, NY  10012
Phone: (212)998-3156
Teaching
  
Conferences
I co-organized the 
2015 Geometry Festival at NYU and 
Singularities: Geometric, Topological, and Analytic Aspects at the Simons Foundation.
Preprints
 
My papers can be found at
the arXiv;
here are some slides and notes from courses and talks I've given:
  - Slides for "Surfaces in the
  Heisenberg group and quantitative rectifiability",  Cortona, 2024
  
- Slides for "Composing and decomposing surfaces and
  functions",  ICM 2022
  
- Composing and decomposing surfaces and
  functions, for the Proceedings of the International Congress of
  Mathematicians, 2022
  
- Notes on quantitative
  rectifiability and differentiability, Spring 2020
  
- Hölder maps to the Heisenberg
  group and self-similar solutions to extension problems,
  September 2019
  
- Embeddings of the
  Heisenberg group, uniform rectifiability, and the Sparsest Cut
  Problem, June 2018
- Borel Seminar on nilpotent groups, diagrams and exercises, Summer 2017
- Slides on "Embeddings of the
  Heisenberg group and the Sparsest Cut Problem", July 2017
- Slides on "Filling
  invariants for lattices in symmetric spaces", MSRI, Sep. 2016
- Slides on "Filling multiples of embedded curves and quantifying nonorientability", June 2015
- Notes on "Examples of buildings" from my Winter 2013 topics course, Apr. 2013
- Notes (1, 2, 3, 4, 5) from a 5-lecture course aimed at high-school students on "The geometry of surfaces and 3-manifolds", Mathcamp Jul. 2012
- Slides from "Filling functions and nonpositive curvature", Coarse Geometry of Infinite Groups, Lille, France, Jun. 2012
- Slides from "Homological and homotopical filling functions", University of Toronto, Feb. 2012
- Slides from my MSRI/Evans lecture, "An introduction to the Dehn function", Oct. 2011
- An outline of my minicourse at CRM, Jan. 2011
- "The Dehn function of SL(n;Z)", from a talk at Tufts, Oct. 2009
- Some expository notes on asymptotic cones and filling inequalities, from a talk at "The Isoperimetric Inequality for SL(n,Z)", Sep. 2008