Ekeland’s variational principle serves as a fundamental tool in modern optimisation theory, offering a framework to identify approximate solutions under minimal assumptions. Its versatility has ...

Balance problems are conditions that make you feel unsteady or dizzy. If you are standing, sitting, or lying down, you might feel as if you are moving, spinning, or floating. If you are walking, you ...

More than 1 in 20 (nearly 3.3 million) children between the ages of 3 and 17 have a dizziness or balance problem, according to an analysis of the first large-scale, nationally representative survey of ...