Landmarks in mathematics, fundamental algorithms and the foundations of physics discovered at the institute define it's lasting mathematical legacy. The celebrated four color theorem was proved mathematically, without using a computer, for the first time at the institute. Algorithms for many of the NP-complete problems, which are now being extensively used in practical applications in various fields, were first discovered here. The polynomial-time graph isomorphism algorithm was discovered at the institute.The mass of the Higgs boson was accurately predicted as 126 GeV here. Einstein's cosmological constant was precisely calculated from the grand unified theory of particle physics, quantum gravity and cosmology developed at the institute.