Existence theorems for systems of ordinary differential equations

1956 ◽  
Vol 40 (331) ◽  
pp. 69
Author(s):  
H. T. H. Piaggio ◽  
F. J. Murray ◽  
K. S. Miller

1955 ◽  
Vol 62 (9) ◽  
pp. 668
Author(s):  
W. R. Utz ◽  
F. J. Murray ◽  
K. S. Miller

1991 ◽  
Vol 34 (2) ◽  
pp. 165-174 ◽  
Author(s):  
P. S. Bullen ◽  
R. Vyborny

AbstractA classical theorem of Marcinkiewicz states that a function is Perron integrable iff it has one continuous major and one continuous minor function. Using an elaboration of this remarkable theorem three applications are made; to obtain a new proof of a recent characterization of the Perron integral, to proofs of some theorems on interchange of limits and integration and to extend classical existence theorems for ordinary differential equations.


1972 ◽  
Vol 94 (2) ◽  
pp. 152-154 ◽  
Author(s):  
R. Aggarwal ◽  
G. Leitmann

An avoidance control is an admissible control which permits avoidance of a givenset of state space Rn. Existence theorems for avoidance controls are given for control processes governed by ordinary differential equations.


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