✦ LIBER ✦

A Necessary and Sufficient Condition for Minimizing a Convex Fréchet Differentiable Function on a Certain Hyperplane

✍ Scribed by Han-Lin Li; Yi-Hsin Liu; Valentin Matache; Po-Lung Yu

Publisher: Elsevier Science
Year: 2001
Tongue: English
Weight: 68 KB
Volume: 253
Category: Article
ISSN: 0022-247X
DOI: 10.1006/jmaa.2000.7115

No coin nor oath required. For personal study only.

📜 SIMILAR VOLUMES

Necessary and Sufficient Conditions for

Necessary and Sufficient Conditions for a Fourth Order Functional Differential Equation to be Oscillatory

✍ K. Gopalsamy; Lizhi Wen; Yong-Shao Chen; Xue-Zhong He 📂 Article 📅 1993 🏛 John Wiley and Sons 🌐 English ⚖ 416 KB

## Abstract Necessary and sufficient conditions for a fourth order functional differential equation of the form (1) [r(t)y″(t)]″+f(t,y(h~1~(t)), y(h~2~(t)), …, y(h~n~(t)))=0 to be oscillatory are given when f is strongly superlinear or strongly sublinear.

A Necessary and Sufficient Condition for

A Necessary and Sufficient Condition for the Solutions of a Functional Differential Equation to Be Oscillatory or Tend to Zero

✍ Pitambar Das; N Misra 📂 Article 📅 1997 🏛 Elsevier Science 🌐 English ⚖ 119 KB

It is shown that every solution of the nonhomogeneous functional differential equation x t y px t y q Q t G x t y s f t ,