Abstract Algebra – Proving a Group is Infinite and Nonabelian
Real Analysis – Examples of Continuous Functions Monotone Along All Lines
Group Theory – Classifying Finite Groups with Multiplicative Order on Coprime Elements
Calculus – Evaluate Limit of Complex Expression
Calculus – Is It Possible to Integrate Using Undergraduate Methods?
Calculus – Biot-Savart Law Application Simplification Issues
Linear Algebra – Can There Be a Perfect Linear Operator for Square Matrices?
Calculus – Question About Sum with Reciprocal Quartic
Geometry – How to Find the Height of a Skyscraper
Partial Differential Equations – Regularity of Weak Solution of Elliptic Equation with Nonlinear Neumann Boundary