Reference. Eilenberg-Kelly Reloaded
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Proof Theory of Partially Normal Skew Monoidal Categories uustalu-2021-proof
Deductive Systems and Coherence for Skew Prounital Closed Categories uustalu-2021-deductive
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Proof Theory of Partially Normal Skew Monoidal Categories uustalu-2021-proof
A sequent calculus for a semi-associative law zeilberger-2019-a
We introduce a sequent calculus with a simple restriction of Lambek’s product rules that precisely captures the classical Tamari order, i.e., the partial order on fully-bracketed words (equivalently, binary trees) induced by a semi-associative law (equivalently, right rotation). We establish a focusing property for this sequent calculus (a strengthening of cut-elimination), which yields the following coherence theorem: every valid entailment in the Tamari order has exactly one focused derivation. We then describe two main applications of the coherence theorem, including: 1. A new proof of the lattice property for the Tamari order, and 2. A new proof of the Tutte-Chapoton formula for the number of intervals in the Tamari lattice .
A theory of linear typings as flows on 3-valent graphs zeilberger-2018-a
External (30)
- Braided skew monoidal categories (2020)
- Free skew monoidal categories (2018)
- Skew monoidal categories and skew multicategories (2018)
- The sequent calculus of skew monoidal categories (2018)
- Monads need not be endofunctors (2015)
- The Catalan simplicial set (2014)
- Triangulations, orientals, and skew monoidal categories (2014)
- Coherence for skew-monoidal categories (2014)
- Skew-closed categories (2013)
- Skew monoidales, skew warpings and quantum categories (2012)
- Skew-monoidal categories and bialgebroids (2012)
- Closed categories (nLab) (2009)
- Premonoidal categories and notions of computation (1997)
- Full intuitionistic linear logic (extended abstract) (1993)
- Embedding closed categories (1978)
- Categories for the Working Mathematician (2nd ed.) (1978)
- A note on monoidal monads (1977)
- Coherence in nonmonoidal closed categories (1977)
- Embedding of closed categories into monoidal closed categories (1977)
- Algebraic Theories (1976)
- Symmetric closed categories (1975)
- On closed categories of functors II (1974)
- An embedding theorem for closed categories (1974)
- Coherence for associativity not an isomorphism (1972)
- Coherence in closed categories (1971)
- On closed categories of functors (1970)
- Closed categories (1966)
- On MacLane's conditions for coherence of natural associativities, commutativities, etc (1964)
- Catégories avec multiplication (1963)
- Natural associativity and commutativity (1963)