nonlocal, nonabelian, nonlinear, discrete, non-pertubative, supratransmission , supraconductivity, transparency, breather, nonabelian, nonlocal, nonpertubative, computing, pseudosphere, phase, berry, Gordon, sine-Gordon, Baecklund, Aharonov, Bohm, Thirring, Lobachevski, Chebyshev, Kaehler, stereographic, projection, fine structure, iteration, iterative