Since 2014
Proof of a Conjecture of S. Mac Lane
BRICS Report Series
View Archive Info| Field | Value | |
| Title |
Proof of a Conjecture of S. Mac Lane
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| Creator |
Soloviev, Sergei
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| Description |
Some sufficient conditions on a Symmetric Monoidal Closed category K are obtained such that a diagram in a free SMC category generated by the set A of atoms commutes if and only if all its interpretations in K are commutative. In particular, the category of vector spaces on any field satisfies these conditions (only this case was considered in the original Mac Lane conjecture). Instead of diagrams, pairs of derivations in Intuitionistic Multiplicative Linear logic can be considered (together with categorical equivalence). Two derivations of the same sequent are equivalent if and only if all their interpretations in K are equal. In fact, the assignment of values (objects of K) to atoms is defined constructively for each pair of derivations. Taking into account a mistake in R. Voreadou's proof of the "abstract coherence theorem" found by the author, it was necessary to modify her description of the class of non-commutative diagrams in SMC categories; our proof of S. Mac Lane conjecture proves also the correctness of the modified description.
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| Publisher |
Aarhus University
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| Date |
1996-12-01
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| Type |
info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion |
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| Format |
application/pdf
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| Identifier |
https://tidsskrift.dk/brics/article/view/18773
10.7146/brics.v3i61.18773 |
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| Source |
BRICS Report Series; No 61 (1996): RS-61 Proof of a Conjecture of S. Mac Lane
BRICS Report Series; Nr. 61 (1996): RS-61 Proof of a Conjecture of S. Mac Lane 1601-5355 0909-0878 |
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| Language |
eng
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| Relation |
https://tidsskrift.dk/brics/article/view/18773/16420
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