Abbreviations
- A :
-
nonlinear operator
- D(A) :
-
Domain of A
- \(\overline {D(A)}\) :
-
closure of D(A)
- H :
-
Hilbert space with inner product (·,·)
- H 1 :
-
Hilbert space with inner product (·,·)1
- I :
-
identity operator
- M :
-
positive number
- R(A) :
-
range of A
- S :
-
bounded linear operator
- {T t};t≧0:
-
family of nonlinear semi-group
- V(x, y) :
-
defining sesquilinear functional
- υ(x(t)) :
-
derivative of v(x(t)) at point t≧0
- x, y, z :
-
elements of H
- x e :
-
equilibrium solution
- α,β, γ,δ,λ :
-
real numbers
- → :
-
strong convergence
- \(\xrightarrow{w}\) :
-
weak convergence
- (·,·) 1 :
-
equivalent inner product to (·,·)
References
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Kato, T., Nonlinear semi-groups and evolution equations. J. Math. Soc. Japan 19, 508–520 (1967).
Kōmura, Y., Nonlinear semi-groups in Hilbert space. J. Math. Soc. Japan 19, 493–507 (1967).
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Pao, C. V., Stability Theory of Nonlinear Operational Differential Equations in Hilbert Spaces. Ph. D. Dissertation, University of Pittsburgh, 1968; also NASA CR-1356, 1969.
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Communicated by C.-C. Wang
This paper is a part of the author's doctoral dissertation at the University of Pittsburgh, Pittsburgh, Pennsylvania, 1968, supported by NASA under Grant Number NGR 39-011-039. The author acknowledges his gratitude towards his advisers Professor G. Laush and Professor W. G. Vogt for their many valuable suggestions.
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Pao, C.V. The existence and stability of solutions of nonlinear operator differential equations. Arch. Rational Mech. Anal. 35, 16–29 (1969). https://doi.org/10.1007/BF00248492
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DOI: https://doi.org/10.1007/BF00248492