This is the second post (here’s the first one) about an approach to introducing the derivative to calculus students that is counter to what I’ve seen in textbooks and other traditional treatments of ...

For certain piecewise linear plane curves Γ and convex functions Φ we address the question of whether the maximal operator along Γ is of weak type Φ(L). For example, when Γ is the graph of the ...

The SPLINE method fits a cubic spline curve to the input values. A cubic spline is a segmented function consisting of third-degree (cubic) polynomial functions joined together so that the whole curve ...