scholarly journals Null boundary controllability of a 1-dimensional heat equation with an internal point mass

Author(s):  
Scott W Hansen ◽  
Jose de Jesus Martinez
1969 ◽  
Vol 28 (3) ◽  
pp. 482-492 ◽  
Author(s):  
R.C. MacCamy ◽  
V.J. Mizel ◽  
T.I. Seidman

2014 ◽  
Vol 144 (6) ◽  
pp. 1171-1189 ◽  
Author(s):  
Sorin Micu ◽  
Laurenţiu Emanuel Temereancă

The aim of this paper is to study a boundary time-optimal control problem for the heat equation in a two-dimensional ball. The main ingredient is the extension of a result concerning Müntz polynomials due to Borwein and Erdélyi that allows us to prove an observability inequality for the dynamical system's truncation to a finite number of modes. This result, combined with a well-known Lebeau–Robbiano argument used to show the null-controllability of parabolic type equations, enables us to deduce the existence, uniqueness and bang-bang properties for the boundary time-optimal control.


1968 ◽  
Vol 23 (3) ◽  
pp. 699-703 ◽  
Author(s):  
R.C MacCamy ◽  
V.J Mizel ◽  
T.I Seidman

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