Read More
Date: 1-8-2021
1300
Date: 31-5-2021
3824
Date: 15-6-2021
1484
|
An -dimensional open ball of radius is the collection of points of distance less than from a fixed point in Euclidean -space. Explicitly, the open ball with center and radius is defined by
The open ball for is called an open interval, and the term open disk is sometimes used for and sometimes as a synonym for open ball.
REFERENCES:
Croft, H. T.; Falconer, K. J.; and Guy, R. K. Unsolved Problems in Geometry. New York: Springer-Verlag, p. 1, 1991.
|
|
دراسة يابانية لتقليل مخاطر أمراض المواليد منخفضي الوزن
|
|
|
|
|
اكتشاف أكبر مرجان في العالم قبالة سواحل جزر سليمان
|
|
|
|
|
المجمع العلمي ينظّم ندوة حوارية حول مفهوم العولمة الرقمية في بابل
|
|
|