My Blog

"I am myself the subject of my blog." Falsely attributed to Michel de Montaigne.

• Image posterization using principal component analysis

• The Shortest Path Between Two Points Using Finite Differences

• Analytical Optics

• A Dubiously Simple Proof of the Insolubility of Symmetric Groups

• Notes on Landau and Lifshitz: Conservation Laws

• Comparing Empirically Identical Theories

• Notes on Landau and Lifshits: The Equations of Motion

• Optical Demonstrations

• The Hypotenuse of a Recurrence Triangle

• Three-Valued Logic in the λ-Calculus

• A Proof of Lemma XIV of the First Book of Newton's Principia