domain of dependence

domain of dependence

[¦dō¦mān əv di′pen·dəns]
(mathematics)
For an initial-value problem for a partial differential equation, a portion of the range such that the initial values on this portion determine the solution over the entire range.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.