This book is devoted to impulsive differential equations with a small parameter. It consists of three chapters. Chapter One serves as an introduction. In Chapter Two, regularly perturbed impulsive ...

The word "algebra" may evoke memories of complicated-looking polynomial equations like ax² + bx ... the algorithms will find them all. This is a small example where setting up the algebra ...

(CNN) — The Basque people, among the oldest cultures in not just Spain but all of Europe, have their own way of doing things. Take the Basque Country tradition of pinxtos. A pinxto (meaning ...

MEXICO CITY (AP) — For Colombian singer-songwriter Sebastián Yatra, life is full of small miracles that come from dance, family and freedom. “I saw happiness as a child as my long-term goal ...

Simply stand with feet shoulder-width apart, extend arms out to the sides at shoulder height, and make small circles forward for about 30 seconds. Leg swings target hip flexibility and help ...