28 Answers votes newest views recent 1Understanding the inverse Laplace transform of a function with essential singularities 5What is the easiest randomized algorithm to motivate to the layperson? 5Elementary+Short+Useful 4Undefined gamma function problem 1Fourier Series application for dissertation 2The Frechet derivative and Lagrange multipliers on Banach spaces 3magic square in the complex plane with equal integrals along every horizontal, vertical and diagonal 6Examples of non-metrizable spaces -6Theorems that are ‘obvious’ but hard to prove 4When I can safely assume that a function is a Laplace transform of other function? 13Undergraduate math research 2The maximum of a real trigonometric polynomial 1Coefficients of holomorphic functions defined by Borel probability measures on the unit disc 2Why isn’t the theorem of approximation applicable in Banach spaces? 1Continuous + holomorphic on a dense open => holomorphic? 2analytic continuations 4Why linear algebra is fun!(or ?) 0On linear independence of exponentials 9Yet another ‘roadmap’ style request- a second bite of the cherry 5“Slap your forehead” moments- Greatest Hits 2A Learning Roadmap request: From high-school to mid-undergraduate studies 4Splines, harmonic analysis, singular integrals. 3Demystifying complex numbers 3If the fourier transformed of f is odd, is f odd? 1Existence of weak limits 4Weighted Hardy Inequality for bounded domains 4Does this sequence span $L^2$? 3What are your experiences of handouts in mathematics lectures?