Fall 2026
Problem-solving seminar
MTH 4005 · Baruch College
Courses & problem solving
Teaching
Course announcements, assignments, and class materials are available through CUNY Brightspace. This page also collects materials intended to remain useful beyond a particular course.
Recent courses
Fall 2026
Linear Algebra
MTH 3210 · Baruch College
Fall 2026
Analysis
MTH 4010 · Baruch College
Spring 2026
Graph theory
MTH 4140 · Baruch College
Fall 2025
Topology
MTH 4030 · Baruch College
Beyond a course
Putnam training
Nine problem sets, with available hints, from the 2017 problem-solving sessions.
Browse the problem sets →Analysis
The natural numbers
Supplementary notes on a construction of the natural numbers.
Read the supplement (PDF) ↗