Complex analysis is the study of functions of a complex variable, and especially of those functions which are differentiable. Initially, complex analysis is concerned with generalizing the basic notions of calculus, such as limits, differentiation and...

Complex analysis, traditionally known as the theory of functions of a complex variable, is the branch of mathematics investigating functions of complex numbers. It is useful in many branches of mathematics, including number theory and applied...

Merck & Co. and Schering-Plough Corp. said Tuesday they have suspended TV ads for Vytorin, a week after a study revealed the cholesterol drug is no more effective than a high dose of one of its components available generically at a third of the cost.Vytorin,...

Merck & Co. and Schering-Plough Corp. said Tuesday they have suspended TV ads for Vytorin, a week after a study revealed the cholesterol drug is no more effective than a high dose of one of its components available generically at a third of the cost.Vytorin,...

Heart patients can hardly miss the barrage of "food and family" TV ads claiming the drug Vytorin lowers cholesterol from two sources, what you eat and what your body produces due to your genes.So many patients were stunned when Vytorin's makers, Merck & Co. and...