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Mathematics text
Higher Topos Theory is a treatise on the theory of ∞-categories written by American mathematician Jacob Lurie. In addition to introducing Lurie's new
Higher_Topos_Theory
Higher categorical generalization of a topos
In mathematics, an ∞-topos (infinity-topos) is, roughly, an ∞-category such that its objects behave like sheaves of spaces with some choice of Grothendieck
∞-topos
Generalization of category theory
abstract nonsense Categorification Coherency (homotopy theory) Lurie, Jacob. Higher Topos Theory (PDF). MIT. p. 4. Baez & Dolan 1998, p. 6 Hirschowitz
Higher_category_theory
toposes can be used as models of intuitionistic higher-order logic. An elementary topos (hereafter just topos) can be pictured as an alternate mathematical
Elementary_topos
General theory of mathematical structures
application of category theory, more specifically topos theory, has been made in mathematical music theory, see for example the book The Topos of Music, Geometric
Category_theory
Mathematical category
and the raison d'être of topos theory, come from algebraic geometry. The basic example of a topos comes from the Zariski topos of a scheme. For each scheme
Topos
Topics referred to by the same term
defunct tram operator in Melbourne, Australia Higher Topos Theory, a treatise on higher category theory by American mathematician Jacob Lurie Ho-kago
HTT
Contravariant functor to Set
Wissenschaften. Vol. 332. Springer. ISBN 978-3-540-27950-1. Lurie, J. Higher Topos Theory. Mac Lane, Saunders; Moerdijk, Ieke (1992). Sheaves in Geometry and
Presheaf_(category_theory)
very general background to the mathematical idea of topos. This is an aspect of category theory, and has a reputation for being abstruse. The level of
History_of_topos_theory
Index of articles associated with the same name
of the space homotopy dimension introduced by Lurie in his Higher Topos Theory for an ∞-topos. Dimension of a homotopy type Homotopy dimension of a mapping
Homotopy_dimension
Overview of and topical guide to category theory
category theory, such as functional programming and semantics. Category Functor Natural transformation Homological algebra Diagram chasing Topos theory Enriched
Outline_of_category_theory
Categorical treatment of topological spaces
2009) Infinity category Simplicial category Lurie, Jacob (2009), Higher topos theory, Annals of Mathematics Studies, vol. 170, Princeton University Press
Topological category (enriched category theory)
Topological_category_(enriched_category_theory)
S(C)} is an ∞-category called the twisted diagonal of C. In his Higher Topos Theory, Lurie constructs an analogous universal cartesian fibration. small
Fibration_of_simplicial_sets
introduction to higher category theory (using the formalism of "quasicategories" or "weak Kan complexes"), and to apply this theory to the study of higher versions
List of publications in mathematics
List_of_publications_in_mathematics
Generalization in mathematics
(1994). Handbook of Categorical Algebra. CUP. Lurie, Jacob (2009). Higher Topos Theory. Princeton University Press. Profunctor at the nLab Heteromorphism
Profunctor
Category theory concept
categories—The Stacks project". stacks.math.columbia.edu. Retrieved 2020-10-16. Lurie, Jacob (2008-07-31). "Higher Topos Theory". arXiv:math/0608040.
Overcategory
American mathematician (born 1977)
convenient framework to do homotopy theory in abstract settings. They are the main topic of his book Higher Topos Theory. Another part of Lurie's work is
Jacob_Lurie
properties and concepts in category theory in mathematics, including those in topos theory. (See also Outline of category theory.) Notes on foundations: In many
Glossary_of_category_theory
Model structure on the category of simplicial sets
Corollary 3.1.28. Lurie 2009, Higher Topos Theory, Proposition A.2.3.2. Cisinski 2019, Corollary 3.1.10. Lurie 2009, Higher Topos Theory, Theorem 1.3.4.1. Cisinski
Kan–Quillen_model_structure
from the original (PDF) on January 14, 2014. Lurie, Jacob (2009). Higher Topos Theory. Annals of Mathematics Studies. Vol. 170. Princeton, NJ: Princeton
Nonabelian_cohomology
Generalization of a category
{Kan}}} (recall the mapping spaces are Kan complexes). In his book Higher Topos Theory, Lurie defines an adjunction to be a map q : M → Δ 1 {\displaystyle
Quasi-category
Vezzosi, What is.... a derived stack? (PDF) Lurie, Jacob (2009), Higher Topos Theory, Annals of Mathematics Studies, vol. 170, Princeton University Press
Bertrand_Toën
Branch of mathematics
-topos of some topological space There must exist a cover U i {\displaystyle U_{i}} of X t o p {\displaystyle X_{top}} such that the induced topos (
Derived_algebraic_geometry
Special kind of model structure
Rezk 2000, Proposition 2.7. Lurie 2009, Higher Topos Theory, Proposition A.2.3.2. Lurie 2009, Higher Topos Theory, Remark 1.3.4.3. Joyal 2008, Theorem 6
Proper_model_structure
Construction for categories
Joyal, André (2008). "The Theory of Quasi-Categories and its Applications" (PDF). Lurie, Jacob (2009). Higher Topos Theory. Annals of Mathematics Studies
Join_(simplicial_sets)
History of maths
set theory in the categorical context such as algebraic set theory; Foundations of mathematics building on categories, for instance topos theory; Abstract
Timeline of category theory and related mathematics
Timeline_of_category_theory_and_related_mathematics
(2023). Higher Categories and Homotopical Algebra (PDF). Cambridge University Press. ISBN 978-1108473200. Lurie, Jacob (2009). Higher Topos Theory. Princeton
Localization_of_an_∞-category
induced model structures on functor categories Lurie, Jacob (2009). Higher Topos Theory. Annals of Mathematics Studies. Vol. 170. Princeton University Press
Co- and contravariant model structure
Co-_and_contravariant_model_structure
ISBN 978-3-030-61523-9. Zbl 1471.18001. Lurie, Jacob (2009), Higher topos theory, Annals of Mathematics Studies, vol. 170, Princeton University Press
Limits and colimits in an ∞-category
Limits_and_colimits_in_an_∞-category
Combination of higher category theory with Chern–Simons theory
Chern-Simons terms on higher moduli stacks (PDF). Hausdorff Institute Bonn. Schreiber, Urs (2013-10-29). Differential cohomology in a cohesive ∞-topos (PDF). Domenico
∞-Chern–Simons_theory
Hypothesis in mathematical category theory
207–222. doi:10.1016/S0022-4049(02)00135-4. Lurie, Jacob (2009). Higher Topos Theory (AM-170). Princeton University Press. ISBN 9780691140490. JSTOR j
Homotopy_hypothesis
(2023). Higher Categories and Homotopical Algebra (PDF). Cambridge University Press. ISBN 978-1108473200. Lurie, Jacob (2009). Higher Topos Theory. Princeton
Joyal's extension and lifting theorems
Joyal's_extension_and_lifting_theorems
Criteria in Category theory of Mathematics
"5.5.2 Representable Functors and the Adjoint Functor Theorem". Higher Topos Theory. Princeton University Press. arXiv:math/0608040. ISBN 978-0-691-14048-3
Formal criteria for adjoint functors
Formal_criteria_for_adjoint_functors
Model structure on the category of simplicial sets
Joyal, André (2008). "The Theory of Quasi-Categories and its Applications" (PDF). Lurie, Jacob (2009). Higher Topos Theory. Annals of Mathematics Studies
Joyal_model_structure
des topos (Higher categories and theory of toposes). Higher Categories and Homotopical Algebra, a mathematical textbook about higher category theory by
Denis-Charles_Cisinski
Mock Beck and Claude Chevalley. Category theory Adjoint functor Grothendieck fibration Topos Descent theory Indexed category 2-category Mac Lane, Saunders
Beck–Chevalley_condition
Category enriched over the category of simplicial sets
Homotopy Theory, Progress in Mathematics, vol. 174, Birkhäuser Basel, ISBN 978-3-7643-6064-1, MR 1711612 Lurie, Jacob (2009), Higher topos theory, Annals
Simplicially enriched category
Simplicially_enriched_category
Construction for simplicial sets
Joyal, André (2008). "The Theory of Quasi-Categories and its Applications" (PDF). Lurie, Jacob (2009). Higher Topos Theory. Annals of Mathematics Studies
Diamond_operation
Result in category theory
ISBN 978-0-19-887137-8. Lurie, Jacob (2009). "5.1.3 Yoneda's Lemma". Higher Topos Theory. Princeton University Press. arXiv:math/0608040. ISBN 978-0-691-14048-3
2-Yoneda_lemma
Study of categorified structures
In mathematics, especially (higher) category theory, higher-dimensional algebra is the study of categorified structures. It has applications in nonabelian
Higher-dimensional_algebra
Object in category theory
a Topos Theory Compendium. Oxford: Oxford University Press. ISBN 0198534256. OCLC 50164783. Lawvere, William (2005) [1964]. "An elementary theory of
Natural_numbers_object
an n-group, or n-dimensional higher group, is a special kind of n-category that generalises the concept of group to higher-dimensional algebra. Here, n
N-group_(category_theory)
Relate the direct image and the pull-back of sheaves
1007/978-3-642-82783-9, ISBN 978-3-540-16389-3, MR 0842190 Lurie, Jacob (2009), Higher Topos Theory, Annals of Mathematics Studies, vol. 170, Princeton University Press
Base_change_theorems
Applications of category theory
of Oxford TallCat, a research group at Tallinn University of Technology Topos Institute Cybercat Institute UDBMS, a research group at University of Helsinki
Applied_category_theory
Branch of logic using category theory to study mathematical structures
in the theory of toposes, where the internal language of a topos together with the semantics of intuitionistic higher-order logic in a topos enables
Categorical_logic
Higher category theory concept
Higher Operads, Higher Categories. arXiv:math/0305049. doi:10.1017/CBO9780511525896. ISBN 978-0-521-53215-0. Lurie, Jacob (2009). Higher Topos Theory
Weak_n-category
Combination of higher category theory with Chern–Weil theory
∞-Chern–Weil theory is a generalized formulation of Chern–Weil theory from differential geometry using the formalism of higher category theory. The theory is named
∞-Chern–Weil_theory
induced model structures on slice categories Lurie, Jacob (2009). Higher Topos Theory. Annals of Mathematics Studies. Vol. 170. Princeton University Press
Injective and projective model structure
Injective_and_projective_model_structure
Abstract homotopical model for topological spaces
In category theory, a branch of mathematics, an ∞-groupoid is an abstract homotopical model for topological spaces. One model uses Kan complexes which
∞-groupoid
Category in category theory
Definition 5.4.2.1. Lurie 2009, Corollary 5.4.3.6. Lurie, Jacob (2009). Higher Topos Theory. Princeton University Press. arXiv:math/0608040. ISBN 978-0-691-14048-3
Accessible_quasi-category
Branch of mathematics that studies sets
proposed topos theory as an alternative to traditional axiomatic set theory. Topos theory can interpret various alternatives to that theory, such as constructivism
Set_theory
In mathematics, process for extending a category
Peter T. (1982), Stone Spaces, ISBN 0521337798 Lurie, Jacob (2009), Higher topos theory, Annals of Mathematics Studies, vol. 170, Princeton University Press
Ind-completion
Collection of objects and morphisms
in the category of sets). A topos can also be used to represent a logical theory. Mathematics portal Higher category theory Quantaloid Table of mathematical
Category_(mathematics)
Graduate-level textbooks in mathematics
Structures Kazuya Kato, Sampei Usui 2008-12-07 352 9780691138220 170 Higher Topos Theory Jacob Lurie 2009-07-26 944 9780691140490 171 Outer Billiards on Kites
Annals_of_Mathematics_Studies
Mathematical concept
1007/3-540-27950-4, ISBN 978-3-540-27949-5, MR 2182076 Lurie, Jacob (2009), Higher topos theory, Annals of Mathematics Studies, vol. 170, Princeton University Press
Compact_object_(mathematics)
filtered spaces, higher-dimensional space structures, the construction of the fundamental groupoid of a topos E in the general theory of topoi, and also
Nonabelian_algebraic_topology
Collection of maps which give the same result
If the morphism acts between two arrows (such as in the case of higher category theory), it's called preferably a natural transformation and may be labelled
Commutative_diagram
2002, p. 117. Johnstone, Peter T. (2002). Sketches of an Elephant: a Topos Theory Compendium. Oxford: Oxford University Press. ISBN 0198534256. OCLC 50164783
List_object
British mathematician
algebra. In particular he is known for work on the effective topos (within topos theory) and on game semantics. His former doctoral students include Eugenia
Martin_Hyland
Theoretical physicist and mathematician
quantum field theory. Schreiber is a co-creator of the nLab, a wiki for research mathematicians and physicists working in higher category theory. With Hisham
Urs_Schreiber
System of mathematical set theory
Tarski–Grothendieck set theory (TG, named after mathematicians Alfred Tarski and Alexander Grothendieck) is an axiomatic set theory. It is a non-conservative
Tarski–Grothendieck set theory
Tarski–Grothendieck_set_theory
Mapping between categories
First Introduction to Topos Theory. New York: Springer. ISBN 978-0-387-97710-2. Popescu, Nicolae; Popescu, Liliana (1979). Theory of Categories. Dordrecht:
Functor
In mathematics, particularly category theory, a 2-group is a groupoid with a way to multiply objects and morphisms, making it resemble a group. They are
2-group
En-ring. Categorification Higher-dimensional algebra Lie n-algebra John Baez, 2-Rigs in Topology and Representation Theory Lurie, J. (2004). "V: Structured
2-ring
French mathematician (1928–2014)
of algebraic number theory, algebraic topology, and representation theory. As part of this project, his creation of topos theory, a category-theoretic
Alexander_Grothendieck
Seminal math text
for such a topic could be laid down and relativized using topos theory making way for higher gerbes. Moreover, he was critical of using strict groupoids
Pursuing_Stacks
Generalization of category
use some generalization of category theory such as higher category theory (see below) or enriched category theory to define a strict 2-category. The notion
2-category
In mathematics, collection of classes
popular axiomatic set theories, Zermelo–Fraenkel set theory (ZFC), von Neumann–Bernays–Gödel set theory (NBG), and Morse–Kelley set theory (MK), admit non-conservative
Conglomerate_(mathematics)
Relationship between two functors abstracting many common constructions
{\displaystyle \land } of predicates. In categorical logic, a subfield of topos theory, quantifiers are identified with adjoints to the pullback functor. Such
Adjoint_functors
Philosophical theory attributed to Plato
The Theory of Forms or Theory of Ideas, also known as Platonic idealism or Platonic realism, is a philosophical theory credited to the Classical Greek
Theory_of_forms
Mathematical concept
In category theory, a branch of mathematics, the abstract notion of a limit captures the essential properties of universal constructions such as products
Limit_(category_theory)
Mathematical construction used in homotopy theory
Simplicial sets are used to define quasi-categories, a basic notion of higher category theory. A construction analogous to that of simplicial sets can be carried
Simplicial_set
Type of category in category theory
In category theory, a category is Cartesian closed if, roughly speaking, any morphism defined on a product of two objects can be naturally identified with
Cartesian_closed_category
Construction in category theory
In category theory, a branch of mathematics, the cone of a functor is an abstract notion used to define the limit of that functor. Cones make other appearances
Cone_(category_theory)
In category theory, a branch of mathematics, a stable ∞-category is an ∞-category such that (i) It has a zero object. (ii) Every morphism in it admits
Stable_∞-category
Concept in category theory
descent theory, arXiv:math.AG/0412512, CiteSeerX 10.1.1.100.7908. Phoa, Wesley (1992). An introduction to fibrations, topos theory, the effective topos and
Fibred_category
Injective homomorphism
= g(x) ⇔ f = g. Hence q is a monomorphism, as claimed. In an elementary topos, every mono is an equalizer, and any map that is both monic and epic is
Monomorphism
Construction for simplicial sets
X o p {\displaystyle X^{\mathrm {op} }} is. Lurie, Jacob (2009). Higher Topos Theory. Annals of Mathematics Studies. Vol. 170. Princeton University Press
Opposite_simplicial_set
Central object of study in category theory
Saunders (1992). Sheaves in geometry and logic : a first introduction to topos theory. New York: Springer-Verlag. p. 13. ISBN 0387977104. nLab, a wiki project
Natural_transformation
Indexed collection of objects and morphisms in a category
Ieke (1992). Sheaves in geometry and logic a first introduction to topos theory. New York: Springer-Verlag. pp. 20–23. ISBN 9780387977102. Adámek, Jiří;
Diagram_(category_theory)
Most general completion of a commutative square given two morphisms with same codomain
In category theory, a branch of mathematics, a pullback (also called a fiber product, fibre product, fibered product or Cartesian square) is the limit
Pullback_(category_theory)
Graphical representation of a morphism
2-cells in 2-categories. They are a prominent tool in applied category theory. When interpreted in FinVect, the monoidal category of finite-dimensional
String_diagram
Study of the practices and possibilities of music
Guerino; Stefan Göller; Stefan Müller (2002). The Topos of Music: Geometric Logic of Concepts, Theory, and Performance, Vol. 1. Basel, Boston, and Berlin:
Music_theory
Theory of quantum gravity merging quantum mechanics and general relativity
only closed loops String theory – Theory of subatomic structure Supersymmetry – Symmetry between bosons and fermions Topos theory – Mathematical categoryPages
Loop_quantum_gravity
Map (arrow) between two objects of a category
In mathematics, a morphism is a concept of category theory that generalizes structure-preserving maps such as homomorphism between algebraic structures
Morphism
Generalized object in category theory
In category theory, the product of two (or more) objects in a category is a notion designed to capture the essence behind constructions in other areas
Product_(category_theory)
Special kind of model structure
In higher category theory in mathematics, a Cisinski model structure is a special kind of model structure on Grothendieck topoi. In homotopical algebra
Cisinski_model_structure
Results on triad homotopy groups
connectivity part of the theorem from traditional homotopy theory to any other infinity-topos with an infinity-site of definition was given by Charles Rezk
Blakers–Massey_theorem
Ieke (1992). Sheaves in geometry and logic a first introduction to topos theory. New York: Springer-Verlag. pp. 20–23. ISBN 9780387977102. May, J. P
Diagonal_functor
Theory in neuropsychology
Adaptive resonance theory (ART) is a theory developed by Stephen Grossberg and Gail Carpenter on aspects of how the brain processes information. It describes
Adaptive_resonance_theory
Philosphical view that existence proofs must be constructive
Constructivism also includes the study of constructive set theories such as CZF and the study of topos theory. Constructivism is often identified with intuitionism
Constructivism (philosophy of mathematics)
Constructivism_(philosophy_of_mathematics)
In mathematics, invertible homomorphism
transformations, affine transformations, projective transformations. Category theory, which can be viewed as a formalization of the concept of mapping between
Isomorphism
Special case of colimit in category theory
of colimit in category theory. Direct limits are dual to inverse limits, which are a special case of limits in category theory. We will first give the
Direct_limit
Most general completion of a commutative square given two morphisms with same domain
In category theory, a branch of mathematics, a pushout (also called a fibered coproduct or fibered sum or cocartesian square or amalgamated sum) is the
Pushout_(category_theory)
Branch of mathematics
"Higher Categories And Topos Theory(in french)" (PDF). Math - University of Toulouse. Porter, Timothy (February 12, 2010). "Abstract Homotopy Theory:
Homotopy_theory
Abstract mathematics relationship
functor. C is a cartesian closed category (or a topos) if and only if D is cartesian closed (or a topos). Dualities "turn all concepts around": they turn
Equivalence_of_categories
Aspect of category theory
is not necessarily surjective. Every coequalizer is an epimorphism. In a topos, every epimorphism is the coequalizer of its kernel pair. In categories
Coequalizer
Mathematical set of all subsets of a set
introduction to topos theory. Universitext. New York: Springer-Verlag. ISBN 978-0-387-97710-2. Riehl, Emily (16 November 2016). Category Theory in Context
Power_set
Categorical generalization of a function space in set theory
specifically in category theory, an exponential object or map object is the categorical generalization of a function space in set theory. Categories with all
Exponential_object
Surjective homomorphism
In category theory, an epimorphism is a morphism f : X → Y that is right-cancellative in the sense that, for all objects Z and all morphisms g1, g2: Y
Epimorphism
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