Two results on exact boundary control of parabolic equations期刊界 All Journals 搜尽天下杂志传播学术成果专业期刊搜索期刊信息化学术搜索

Two results on exact boundary control of parabolic equations

Authors:	Thomas I. Seidman

Affiliation:	(1) Department of Mathematics and Computer Science, University of Maryland—Baltimore County, 21228 Baltimore, MD, USA

Abstract:	(1) The known nullcontrollability result for boundary control ofu_t = u_xx + q(x)u is generalized to consider a time-dependent coefficientq. (2) For boundary control ofu_t =Au (where it is known thatC_T: (initial data) (optimal nullcontrol for timeT) exists for allT>0) it is shown that logC_T =145-1 asT 0.

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