Circle Map
In mathematics, particularly in dynamical systems theory, an Arnold tongue of finite-parameter family of a circle maps, named after Vladimir Arnold, is a region (with nonempty interior) in the space of parameters where the map has locally-constant rational rotation number. In other words, it is a level set of a rotation number with nonempty interior.
Read more about Circle Map: Standard Circle Map, Mode Locking, Chirikov Standard Map
Famous quotes containing the words circle and/or map:
“we are the circle of the crazy ladies
who sit in the lounge of the mental house
and smile at the smiling woman
who passes us each a bell,”
—Anne Sexton (1928–1974)
“You can always tell a Midwestern couple in Europe because they will be standing in the middle of a busy intersection looking at a wind-blown map and arguing over which way is west. European cities, with their wandering streets and undisciplined alleys, drive Midwesterners practically insane.”
—Bill Bryson (b. 1951)