Cover of: Coherence and non-commutative diagrams in closed categories | Rodiani Voreadou

Coherence and non-commutative diagrams in closed categories

  • 93 Pages
  • 3.93 MB
  • English
American Mathematical Society , Providence
Closed categories (Mathema
Other titlesNon-commutative diagrams in closed categories.
StatementRodiani Voreadou.
SeriesMemoirs of the American Mathematical Society ; no. 182, Memoirs of the American Mathematical Society ;, no. 182.
LC ClassificationsQA3 .A57 no. 182, QA169 .A57 no. 182
The Physical Object
Paginationxvi, 93 p. ;
ID Numbers
Open LibraryOL4903957M
ISBN 100821821822
LC Control Number76050058

Non-commutative diagrams in closed categories ; The main results --Extended graphs --The proofs of Theorems 6 and 7 --Part 3. A final coherence theorem for closed categories.

Series Title: Memoirs of the American Mathematical Society, no. Other Titles: Non-commutative diagrams in closed categories: Responsibility: Rodiani Voreadou. PART ONE: AN ABSTRACT COHERENCE THEOREM FOR CLOSED CATEGORIES 1 19 free; PART TWO: NON-COMMUTATIVE DIAGRAMS IN CLOSED CATEGORIES 13 31 §1.

The main results 14 32 §2. Extended graphs 18 36; A. Allowable extended graphs 24 42; B. Propriety 30 48; C. Simplicity 41 59; D. Identifiability 46 64; E. The operations [omitted] and [, ] 60 78 §3. The. Part 1. An abstract coherence theorem for closed categories Part 2.

Non-commutative diagrams in closed categories 1. The main results 2. Extended graphs 3. The proofs of Theorems 6 and 7 Part 3. A final coherence theorem for closed categories. Series Title: Memoirs of the American Mathematical Society, no. Other Titles. Coherence and non-commutative diagrams in closed categories - Rodiani Voreadou MEMO/ The structure of modular lattices of width four with applications to varieties of lattices - Ralph S.

Freese. ence results, and we prove coherence for our Boolean categories. These coherence theorems, which are the main results of the book, yield a simple decision procedure for the problem whether a diagram of canonical arrows commutes, i.e.

for the problem whether two proofs are identical. The most original contribution of our book may be that we take. Voreadou, Coherence and non-commutative diagrams in closed categories, Mem. Amer. Math. Soc. 90 (). [7] A.A. Babaev and S.V. Soloviev, On conditions of full coherence in biclosed categories: a new appli- cation of proof theory, Lecture Notes in Computer Science (Springer, Berlin, ) Category Theory Lecture Notes for ESSLLI (PDF P) This note covers the following topics related to Category Theory: Functional programming languages as categories, Mathematical structures as categories, Categories of sets with structure, Categories of algebraic structures, Constructions on categories, Properties of objects and arrows, Functors, Diagrams and naturality, Products and sums.

The same trick works for any commutative diagram of course; the idea is to use the functor properties to "put all the maps between the brackets" of the functor, then use the relation given by the diagram in the original category, and finally pull the new maps out of the brackets again.

Coherence is about connections at the idea level. A text is coherent if the ‘ ideas ’ make sense to the reader – it is all about meaning.

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You can contribute to (or lose) coherence in many ways: Linguistically, your vocabulary choices in writing, and your vocabulary choices / pronunciation when speaking, are the areas where communication. G.M. Kelly and S. Mac Lane, Closed coherence for a natural transformation, Lecture Notes in Math.

(), 1– MathSciNet CrossRef zbMATH Google Scholar [13]. Category Theory has developed rapidly. This book aims to present those ideas and methods which can now be effectively used by Mathe maticians working in a variety of other fields of Mathematical research.

This occurs at several levels. On the first level, categories provide a convenient conceptual language, based on the notions of category, functor, natural transformation. Why does coherence begin to matter at the tricategorical level. It is well known that every weak $2$-category is equivalent to a strict $2$-category, with the equivalence essentially given by (unless I'm mistaken) the $2$-Yoneda embedding for an arbitrary $2$-category into its strict $2$-category of $2$-presheaves into $\mathfrak{Cat}$-- this means we can effectively ignore the coherence.

In this paper, we study the algebraic and combinatorial structure of negation in a non-commutative variant of tensorial logic. The analysis is based on a 2-categorical account of dialogue categories, which unifies tensorial logic with linear logic, and discloses a primitive symmetry between proofs and.

The diagrams for symmetric monoidal closed categories proved commutative by Mac Lane and the author in [19] were diagrams of (generalized) natural transformations.

In order to understand the connexion between these results and free models for the structure, the author introduced in [13] and [14] the notion of club, which was further developed.

Description Coherence and non-commutative diagrams in closed categories PDF

We study the coherence, that is the equality of canonical natural transformations in non-free symmetric monoidal closed categories (smccs). To this aim, we use proof theory for intuitionistic. Coherence in Closed Categories. CrossRef Google Scholar.

Voreadou. Coherence and non-commutative diagrams in closed categories. Memoirs of the AMS, v.9,issue 1, No (last of two numbers), January Google Scholar.

Lambek. Deductive Systems and Categories. eBook Packages Springer Book Archive; Buy this book on. A relevant category is a symmetric monoidal closed category with a diagonal natural transformation that satisfies some coherence conditions. Every cartesian closed category is a relevant category.

This paper is intended to make explicit some aspects of the interactions which have recently come to light between the theory of classical knots and links, the theory of monoidal categories, Hopf-algebra theory, quantum integrable systems, the theory of exactly solvable models in.

This book develops abstract homotopy theory from the categorical perspective with a particular focus on examples. Part I discusses two competing perspectives by which one typically first encounters homotopy (co)limits: either as derived functors definable when the appropriate diagram categories admit a compatible model structure, or through particular formulae that give the right.

Comutative diagrams means that if you have two objects A, B with multiple paths connecting them, then the result going on any path will be the same. For example, taking the product with A, and then B can be viewed as just taking the product with. In mathematics, and especially in category theory, a commutative diagram is a diagram such that all directed paths in the diagram with the same start and endpoints lead to the same result.

It is said that commutative diagrams play the role in category theory that equations play in algebra (see Barr & Wells (, Section )). diagrams caused them problems — I remember being asked by one publisher to turn a commutative triangle into a square by the addition of an equals sign.

Fortunately, there are now several very capable packages for commutative diagrams. Despite their wide use by mathematicians2 and others, these packages are barely mentioned in the usual books.

Ø Coherence. This is a property holding for two or more waves with logical and consistent ability of sticking together, it is a wave feature marked with an orderly correlation between waves having identical physical quantities."Coherence describes all properties of the correlation between physical quantities of a single wave, or between several waves or wave packets".This physical phenomena.

Blurb for back of the book: Category theory is at the center of many di erent elds of mathematics, physics, and computing. This book is a gentle introduction to this magical world. It starts from the basic de nitions of cate-gory theory and progresses to cutting-edge.

These diagrams often called commutative diagrams even when the diagram does not commute. I cannot recall an example where a diagram was shown that did not commute. I think the tendency is to only write down diagrams which do commute, so avoiding non-commutative diagrams might be.

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. Buy Proof-Net Categories on FREE SHIPPING on qualified orders Proof-Net Categories: DoSen, Kosta, Petric, Zoran: : Books.

Details Coherence and non-commutative diagrams in closed categories PDF

Commutative diagrams really show their significance when dealing with categories, so I would guess they first appeared in that context. Look at the paper which first introduced categories: Eilenberg and Mac Lane's "General Theory of Natural Equivalences" (Trans.

AMS) 58 (), Coherence is achieved when sentences and ideas are connected and flow together smoothly. An essay without coherence can inhibit a reader’s ability to understand the ideas and main points of the essay. Coherence allows the reader to move easily throughout the essay from one idea to the.

Start studying Coherence. Learn vocabulary, terms, and more with flashcards, games, and other study tools. where δ is the real system dynamics and ℵ is an algorithm implementing the numerical computation of the mathematical model (𝐌) on a digital y, one notes the ominous absence of the logical model, L, from Rosen’s diagram published in Secondly, one also notes the obvious presence of logical arguments and indeed (non-Boolean) ‘schemes’ related to the entailment of.

Actually I had in mind closed monoidal category (not necessarily cartesian) - and I forgot to say that it should be symmetric also. I understand the definition of morphism Hom(X,Y)xHom(Y,Z)-->Hom(X,Z), since it is defined also in the paper I mentioned above (this is a paper by ifer in russian hand-book "General algebra").

But a puzzle. The Coherence Theory of Truth is probably second or third in popularity to the Correspondence Theory. Originally developed by Hegel and Spinoza, it often seems to be an accurate description of how our conception of truth works. Put simply: a belief is true when we are able to incorporate it in an orderly and logical manner into a larger and complex system of beliefs.