Bifurcation diagrams enable the visualization of bifurcation theory. Carotidynia is a syndrome marked by soreness of the carotid artery near the bifurcation. It ends in a bifurcation into the left and right common iliac arteries. After the bifurcation of the state in 2014, the police force once again bifurcated. Convergence is not guaranteed due to instability and bifurcation phenomena. At the critical value, both equilibrium points lose stability through a subcritical Hopf bifurcation. Otherwise it is unstable and the bifurcation is subcritical. Their terminal bifurcation is crossed anteriorly by the ureters. The front tail vertebrae have neural spines that show some bifurcation. Tipping points are then seen as any type of bifurcation with hysteresis. The bifurcation diagram at right summarizes this. This results in the bifurcation of the main axon. It tells the conditions under which this bifurcation phenomenon occurs. In 2014 Telangana state was formed after the bifurcation of Andhra Pradesh. The phenomenon is known as river bifurcation.