Lattice embeddings below a nonlow2 recursively enumerable degree |
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Authors: | Rod Downey Richard A Shore |
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Institution: | (1) Mathematics Department, Victoria University of Wellington, P. O. Box 600, Wellington, New Zealand;(2) Mathematics Department, Cornell University, 14853 Ithaca, NY, USA |
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Abstract: | We introduce techniques that allow us to embed below an arbitary nonlow2 recursively enumerable degree any lattice currently known to be embeddable into the recursively enumerable degrees.
Research partially supported by NSF Grants DMS-9204308, DMS-93-44740, a US-NZ binational grant NSF 90-20558, the U.S. ARO
through ACSyAM at the Mathematical Sciences Institute of Cornell Univrsity Contract DAAL03-91-C-0027 and the IGC of Victoria
University. |
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