Wolfgang Amadeus Mozart was married to a woman named Constanze, who survived him.
In geometry , circular symmetry is a type of continuous symmetry for a planar object that can be rotated by any arbitrary angle and map onto itself .. geometry. geometry. continuous symmetry. continuous symmetry. rotated. rotational symmetry. Rotational circular symmetry is isomorphic with the circle group in the complex plane , or the special orthogonal group SO -LRB- 2 -RRB- , and unitary group U -LRB- 1 -RRB- .. circle group. circle group. complex plane. complex plane. special orthogonal group. special orthogonal group. unitary group. unitary group. orthogonal group. orthogonal group. Reflective circular symmetry is isomorphic with the orthogonal group O -LRB- 2 -RRB- .. orthogonal group. orthogonal group