It is a curious historical fact that modern quantum mechanics began with two quite different mathematical formulations: the differential equation of Schroedinger and the matrix algebra of Heisenberg. The two apparently dissimilar approaches were proved to be mathematically equivalent.

There's no demand for a body of work, though writers will be criticized for not having produced one.

If you could build a house on a trampoline, that would suit me fine.

For un-subscribe please check the mail footer.