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Weak spectral mapping theorems for functional differential equations

✍ Scribed by Günther Greiner; Manfred Schwarz


Publisher
Elsevier Science
Year
1991
Tongue
English
Weight
540 KB
Volume
94
Category
Article
ISSN
0022-0396

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Comparison Theorems for Functional Diffe
✍ Jozef Džurina 📂 Article 📅 1993 🏛 John Wiley and Sons 🌐 English ⚖ 374 KB

## Abstract Our aim in this paper is to obtain the comparison principles which extend those of Grace and LALLI. The equations. L~n~u(t)±f(t, u[g(t)]= 0 are compared with the equations. M~n~u(t)±z(t)h([τ(t)])= 0.