Results for "manifold"


    • Oliver Thewalt


      Tags: euklid, geosphere, manifold, dimension, fraktal, mathematik

      • Oliver Thewalt

        What is time?

        by unknown author.It is commonly asserted that in general relativity there is no absolute simultaneity. On the other hand, it is asserted that, based on the traveling time of light, we see the Sun as it was 8 minutes ago and the Andromeda nebula as it was 2.5 million years ago. This seems to conf...

        Tags: time, manifold, einstein, general relativity, poincaré

        • Oliver Thewalt

          Don Zagier's Basic Notions seminar on Betti numbers of a manifold

          Tags: Don Zagier, Betti numbers, manifold, mathematics