How a Hidden Coordinate Map Reveals Smoothness in Curved Graphs
A new theorem shows how a hidden two-dimensional coordinate change can reveal smoothness in rough geometric graphs, even in high codimension.
differential equations
Each Ripple Count Has Just One Bound State in a Logarithmic Wave
A long-standing uniqueness puzzle is solved: each node count selects one radial, finite-energy bound state for a logarithmic wave equation.