"If our geometry is to resemble differential geometry we must adjoin some uniqueness properties. Now in those geometri…"

"String topology has been used to study closed geodesics on Riemannian manifolds through Morse theory on the energy fu…"

"We begin by recalling that geodesics can be obtained as solutions of the Euler-Lagrange equation of a Lagrangian give…"

"The idea of a parallel displacement along some given curve in a two-dimensional surface can be given an intuitive int…"

"Like Moses, André Weil caught sight of the Promised Land, but unlike Moses, he was unable to cross the Red Sea on dry…"

"When you pick the string just right, a higher pitch other than the fretted note is sounded. This higher pitch is an o…"

"There has always been a good deal of mystery surrounding the pinch harmonic, or, as hip players like to call it, “pic…"

"In short, pick squealing, or pinch harmonics is part of the reason why a lot of people started using copious amounts …"

"The way I and most guitarists produce a pinch harmonic is to grasp the pick close to its pointed tip with your thumb …"

"The last few decades have provided abundant evidence for physics beyond the two standard models of particle physics a…"