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Duke Mathematical Journal
VOL. 70 · NO. 1 | April 1993
 
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Articles
The variational contribution of the periodic orbits provided by the Birkhoff-Lewis theorem (with applications to convex Hamiltonians and to three-body-type problems)
Abbes Bahri
Duke Math. J. 70 (1), 1-205, (April 1993) DOI: 10.1215/S0012-7094-93-07001-9
KEYWORDS: 58E05, 34C25, 58F05, 58F22, 70F07, 70H05
No abstract available
Topological invariants of affine hypersurfaces: connectivity, ends, and signature
Anatoly Libgober
Duke Math. J. 70 (1), 207-227, (April 1993) DOI: 10.1215/S0012-7094-93-07002-0
KEYWORDS: 32S20, 32S40, 32S55
No abstract available
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