open ball (Q2921739)
mathematical ball that excludes its bounding sphere
Language:
Current Data About open ball
(P279) (Q213363)

(Q838611)

(Q193657)

(P361) (Q2921733)

(P461) (Q2921733)

(P1552) (Q39297)
(P2534) V=\frac{4}{3}\pi r^3

(Q1379273)
(P2534) S=4\pi r^2

(P1889) (Q838611)
(P3452)

(P2534) \left\{ \vec{x} : ||\vec{x} - \vec{x_0}||^2 < r^2 \right\}
(P518)

(P6104) (Q8487137)

other details
description mathematical ball that excludes its bounding sphere

External Links
(P2812) OpenBall
(P12888) df-bl