And as if life wasn't tricky enough, the fiercely competitive dancing scene has given rise to a number of bitter rivalries.
In this paper, we propose that symmetry-breaking Hopf bifurcation from fusion states in suitably modified Wilson networks, which we call rivalry networks, can be used in an algorithmic way to explain the surprising percepts that have been observed in a number of binocular rivalry experiments.
Albion have a number of long-standing rivalries with other West Midlands clubs; their traditional rivals have always been Aston Villa, though rivalry also exists with Wolverhampton Wanderers, with whom they contest the Black Country Derby.
The number of so-called rivalry games between geographical opponents like the Mets and the Yankees, the Chicago Cubs and the White Sox, and the Los Angeles Dodgers and the Angels, has also been reduced to four from six and moved to weekdays from weekends, when it is easier to fill the ballpark.
But only a small number of artists can take rivalries as opportunities to actually advance their careers.
There have been any number of attempts to define the rivalry between Tiger Woods and Phil Mickelson but perhaps no one has done it better than Brad Faxon, who played with the world's best two players in the final group of the 2003 Buick Invitational at San Diego and said afterwards: "I felt like Switzerland".
Withdrawal from Afghanistan also elevates the risk that the United States, together with other external powers, will be drawn into a number of local disputes and escalating regional rivalries.
Novelists, composers, painters, and poets are apt to experience stretches of intense creativity that might derive from any number of factors—surrounding historical events, artistic rivalries, or, most mysteriously, inspiration but the streak is undeniably there.
Over the past couple of years I am informed that Brazil leads the world in the number of football related deaths, and local rivalries are usually at the heart of the matter.
