11 Answers votes newest views recent 6Genealogy of the Lagrange inversion theorem 5Texts on the General History of Contemporary Combinatorics 5Is there an image for you that epitomizes mathematics? 4What introductory book on Graph Theory would you recommend? (2) 3What out-of-print books would you like to see re-printed? 2Why does undergraduate discrete math require calculus? 2Spectrum of the Laplacian on G(n, p) and G(n, M) 1When are Ehrhart polynomials polynomials? 1The Matrix Tree Theorem for Weighted Graphs. 1Linear Algebra Texts? 1What’s your favorite equation, formula, identity or inequality?