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Sheaves in geometry and logic: a first introduction to topos theory
- Saunders MacLane Galdós, I. Moerdijk
- Mathematics
- 1992
This text presents topos theory as it has developed from the study of sheaves. Sheaves arose in geometry as coefficients for cohomology and as descriptions of the functions appropriate to various…
Introduction to Foliations and Lie Groupoids
- I. Moerdijk, J. Mrčun
- Mathematics
- 13 October 2003
This book gives a quick introduction to the theory of foliations, Lie groupoids and Lie algebroids. An important feature is the emphasis on the interplay between these concepts: Lie groupoids form an…
Axiomatic homotopy theory for operads
- C. Berger, I. Moerdijk
- Mathematics
- 10 June 2002
Abstract
We give sufficient conditions for the existence of a model
structure on operads in an arbitrary symmetric monoidal model
category. General invariance properties for homotopy algebras
over…
Models for smooth infinitesimal analysis
- I. Moerdijk, G. Reyes
- Mathematics
- 17 December 1990
The aim of this book is to construct categories of spaces which contain all the C?-manifolds, but in addition infinitesimal spaces and arbitrary function spaces. To this end, the techniques of…
Algebraic set theory
- A. Joyal, I. Moerdijk
- Mathematics
- 1995
1. Axiomatic theory of small maps 2. Zermelo-Fraenkel algebras 3. Existence theorems 4. Examples.
Orbifolds, sheaves and groupoids
- I. Moerdijk, D. Pronk
- Mathematics
- 1 July 1997
We characterize orbifolds in terms of their sheaves, and show that orbifolds correspond exactly to a specific class of smooth groupoids. As an application, we construct fibered products of orbifolds…
Orbifolds as groupoids: an introduction
- I. Moerdijk
- Mathematics
- 11 March 2002
This is a survey paper based on my talk at the Workshop on Orbifolds and String Theory, the goal of which was to explain the role of groupoids and their classifying spaces as a foundation for the…
Deformations of Lie brackets: cohomological aspects
- M. Crainic, I. Moerdijk
- Mathematics
- 25 March 2004
We introduce a new cohomology for Lie algebroids, and prove that it provides a differential graded Lie algebra which ``controls'' deformations of the structure bracket of the algebroid.
Wellfounded trees in categories
- I. Moerdijk, E. Palmgren
- MathematicsAnn. Pure Appl. Log.
- 15 July 2000
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