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A simple fixed point characterization of three-valued stable model semantics

✍ Scribed by S. Bonnier; U. Nilsson; T. Näslund


Publisher
Elsevier Science
Year
1991
Tongue
English
Weight
755 KB
Volume
40
Category
Article
ISSN
0020-0190

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Multiple fixed-sign solutions for a syst
✍ Patricia J.Y. Wong 📂 Article 📅 2008 🏛 Elsevier Science 🌐 English ⚖ 352 KB

We consider the following system of higher order three-point boundary-value problems where i = 1, 2, . . . , n, m i ≥ 3, 1 2 (a + b) < t \* < b, ξ ≥ 0, δ > 0 and φ i 's are deviating arguments. Several criteria are offered for the existence of three fixed-sign solutions (u 1 , u 2 , . . . , u n ) o