Professor Izak Moerdijk
School of Mathematical and Physical Sciences
Chair
i.moerdijk@sheffield.ac.uk
Hicks Building
Full contact details
Professor Izak Moerdijk
School of Mathematical and Physical Sciences
Hicks Building
Hounsfield Road
ºù«Ӱҵ
S3 7RH
School of Mathematical and Physical Sciences
Hicks Building
Hounsfield Road
ºù«Ӱҵ
S3 7RH
- Publications
-
Books
- . Springer International Publishing.
- . Springer International Publishing.
- . Springer Basel.
- . Cambridge University Press.
Journal articles
- . Journal of Topology, 17(4).
- . Algebraic & Geometric Topology, 23(8), 3849-3908.
- . Advances in Mathematics, 408, 108601-108601.
- CLOSED DENDROIDAL SETS AND UNITAL OPERADS To Bob Rosebrugh, in gratitude for all his work for the journal. THEORY AND APPLICATIONS OF CATEGORIES, 36, 118-170.
- . Algebraic & Geometric Topology, 20(4), 1769-1794.
- . European Journal of Combinatorics, 71, 55-72.
- . Journal für die reine und angewandte Mathematik (Crelles Journal).
- . Mathematical Proceedings of the Cambridge Philosophical Society.
- . Mathematical Structures in Computer Science, 28(1), 140-140.
- . Journal of Pure and Applied Algebra.
- . Mathematische Annalen.
- . Algebraic & Geometric Topology, 16(6), 3581-3614.
- . Notices of the American Mathematical Society, 62(09), 1042-1042.
- . Mathematische Zeitschrift, 279(3-4), 723-744.
- . Annals of Pure and Applied Logic, 163(10), 1367-1383.
- . Theoretical Computer Science, 412(20), 1916-1940.
- ON THE UNIVERSAL ENVELOPING ALGEBRA OF A LIE ALGEBROID. P AM MATH SOC, 138(9), 3135-3145.
- . ADV MATH, 221(2), 343-389.
- ON THE DERIVED CATEGORY OF AN ALGEBRA OVER AN OPERAD. GEORGIAN MATH J, 16(1), 13-28.
- Deformations of Lie brackets: cohomological aspects. J EUR MATH SOC, 10(4), 1037-1059.
- . ADV MATH, 210(1), 1-21.
- . ALGEBR GEOM TOPOL, 7, 1441-1470.
- . TOPOLOGY, 45(5), 807-849.
- . ADV MATH, 204(1), 101-115.
- Families of Hopf algebras of trees and pre-Lie algebras. HOMOL HOMOTOPY APPL, 8(1), 243-256.
- . MATH ANN, 328(1-2), 59-85.
- . COMMENT MATH HELV, 78(4), 805-831.
- On integrability of infinitesimal actions. AM J MATH, 124(3), 567-593.
- . ADV MATH, 157(2), 177-197.
- Proper maps of toposes. Memoirs of the American Mathematical Society(711), 1-107.
- Category theory and its applications - Preface. J PURE APPL ALGEBRA, 154(1-3), 1-1.
- Proper maps of toposes. MEM AM MATH SOC, 148(705), 1-+.
- A homology theory for etale groupoids. J REINE ANGEW MATH, 521, 25-46.
- . Memoirs of the American Mathematical Society, 148(705).
- An elementary definability theorem for first order logic. J SYMBOLIC LOGIC, 64(3), 1028-1036.
- Topological representation of sheaf cohomology of sites. COMPOS MATH, 118(2), 217-233.
- Simplicial cohomology of orbifolds. INDAGAT MATH NEW SER, 10(2), 269-293.
- Representing topoi by topological groupoids. J PURE APPL ALGEBRA, 130(3), 223-235.
- Proof of a conjecture of A. Haefliger. TOPOLOGY, 37(4), 735-741.
- . Philosophia Mathematica, 6(2), 169-177.
- Minimal models of Heyting arithmetic. J SYMBOLIC LOGIC, 62(4), 1448-1460.
- Representation of topoi by topological spaces. CR ACAD SCI I-MATH, 325(5), 461-464.
- Path-lifting for Grothendieck toposes (vol 102, pg 241, 1988). P AM MATH SOC, 125(9), 2815-2818.
- Orbifolds, sheaves and groupoids. K-THEORY, 12(1), 3-21.
- On the construction of the Grothendieck fundamental group of a topos by paths. J PURE APPL ALGEBRA, 116(1-3), 99-113.
- Spaces with local equivalence relations, and their monodromy. TOPOL APPL, 72(1), 47-78.
- . Rendiconti del Seminario Matematico e Fisico di Milano, 66(1), 377-389.
- , 1, 501-528.
- . Journal of Symbolic Logic, 60(2), 694-695.
- A MODEL FOR INTUITIONISTIC NONSTANDARD ARITHMETIC. ANN PURE APPL LOGIC, 73(1), 37-51.
- A SHAPIRO LEMMA FOR DIAGRAMS OF SPACES WITH APPLICATIONS TO EQUIVARIANT TOPOLOGY. COMPOS MATH, 96(3), 249-282.
- A Remark on the Theory of Semi-Functors.. Math. Struct. Comput. Sci., 5, 1-8.
- A COMPLETENESS THEOREM FOR OPEN MAPS. ANN PURE APPL LOGIC, 70(1), 51-86.
- ALGEBRAIC CLASSIFICATION OF EQUIVARIANT HOMOTOPY 2-TYPES .1.. J PURE APPL ALGEBRA, 89(1-2), 187-216.
- CLASSIFYING-SPACES, CLASSIFYING TOPOI AND AUGMENTED ORDERS. CR ACAD SCI I-MATH, 317(3), 293-298.
- THE EQUIVARIANT SERRE SPECTRAL SEQUENCE. P AM MATH SOC, 118(1), 263-278.
- . Proceedings of the American Mathematical Society, 118(1), 263-263.
- EVERY ETENDUE COMES FROM A LOCAL EQUIVALENCE RELATION. J PURE APPL ALGEBRA, 82(2), 155-174.
- CLASSIFYING TOPOSES AND FOLIATIONS. ANN I FOURIER, 41(1), 189-209.
- . Bulletin of the American Mathematical Society, 22(2), 301-305.
- TOPOSES AS HOMOTOPY GROUPOIDS. ADV MATH, 80(1), 22-38.
- TOPOSES ARE COHOMOLOGICALLY EQUIVALENT TO SPACES. AM J MATH, 112(1), 87-95.
- PRODISCRETE GROUPS AND GALOIS TOPOSES. P K NED AKAD A MATH, 92(2), 219-234.
- LOCAL-MAPS OF TOPOSES. P LOND MATH SOC, 58, 281-305.
- THE CLASSIFYING TOPOS OF A CONTINUOUS GROUPOID .1.. T AM MATH SOC, 310(2), 629-668.
- PATH-LIFTING FOR GROTHENDIECK TOPOSES. P AM MATH SOC, 102(2), 242-248.
- TOPOSES AND GROUPOIDS. LECT NOTES MATH, 1348, 280-298.
- MORITA EQUIVALENCE FOR CONTINUOUS-GROUPS. MATH PROC CAMBRIDGE, 103, 97-115.
- A SMOOTH VERSION OF THE ZARISKI TOPOS. ADV MATH, 65(3), 229-253.
- FORCING SMOOTH SQUARE ROOTS AND INTEGRATION. FUND MATH, 128(3), 145-158.
- CONNECTED LOCALLY CONNECTED TOPOSES ARE PATH-CONNECTED. T AM MATH SOC, 295(2), 849-859.
- RINGS OF SMOOTH FUNCTIONS AND THEIR LOCALIZATIONS .1.. J ALGEBRA, 99(2), 324-336.
- . Transactions of the American Mathematical Society, 295(2), 849-849.
- CONTINUOUS FIBRATIONS AND INVERSE LIMITS OF TOPOSES. COMPOS MATH, 58(1), 45-72.
- . Journal of Pure and Applied Algebra, 37(C), 185-191.
- SPACED SPACES. COMPOS MATH, 53(2), 171-209.
- CONSTRUCTING CHOICE SEQUENCES FROM LAWLESS SEQUENCES OF NEIGHBORHOOD FUNCTIONS. LECT NOTES MATH, 1103, 207-234.
- SHEAF MODELS FOR CHOICE SEQUENCES. ANN PURE APPL LOGIC, 27(1), 63-107.
- DERHAM THEOREM IN A SMOOTH TOPOS. MATH PROC CAMBRIDGE, 96(JUL), 61-71.
- SMOOTH SPACES VERSUS CONTINUOUS SPACES IN MODELS FOR SYNTHETIC DIFFERENTIAL GEOMETRY. J PURE APPL ALGEBRA, 32(2), 143-176.
- ON CHOICE SEQUENCES DETERMINED BY SPREADS. J SYMBOLIC LOGIC, 49(3), 908-916.
- HEINE-BOREL DOES NOT IMPLY THE FAN THEOREM. J SYMBOLIC LOGIC, 49(2), 514-519.
- . Notre Dame Journal of Formal Logic, 24(4), 517-526.
- Some remarks on extending bar induction. Indagationes Mathematicae, 45(3), 315-318.
- COMPOSITIONAL SEMANTICS AND MORPHOLOGICAL FEATURES. THEOR LINGUIST, 10(2-3), 205-225.
- COMPOSITIONALITY AND THE ANALYSIS OF ANAPHORA. LINGUIST PHILOS, 6(1), 89-114.
- SOME REMARKS ON EXTENDING BAR INDUCTION. P K NED AKAD A MATH, 86(3), 315-318.
- EQUATIONAL CLASSES OF TOPOSES. COMMUN ALGEBRA, 11(8), 839-842.
- . Studies in Logic and the Foundations of Mathematics, 110(C), 275-295.
- . Studies in Logic and the Foundations of Mathematics, 110(C), 359-375.
- SOME TOPOLOGICAL-SPACES WHICH ARE UNIVERSAL FOR INTUITIONISTIC PREDICATE LOGIC. P K NED AKAD A MATH, 85(2), 227-235.
- . Annales de l'Institut Fourier, 1-37.
- . Proceedings of the American Mathematical Society.
- On the equivalence between Lurie's model and the dendroidal model for infinity-operads.
- W-types in Homotopy Type Theory.
- The Axiom of Multiple Choice and Models for Constructive Set Theory.
- . Quart. J. Math. 64 (2013), 805-846.
- .
- Dendroidal Segal spaces and infinity-operads.
- Derived rules for predicative set theory: an application of sheaves.
- .
- . Journal of Topology 4 (2011), no. 2, 257-299.
- . Math. Z. 269 (2011), 977-1004.
- . Proceedings of the London Mathematical Society, 101(1), 105-136.
- Aspects of Predicative Algebraic Set Theory II: Realizability.
- Aspects of Predicative Algebraic Set Theory I: Exact Completion.
- . Transactions of the American Mathematical Society, 310(2), 629-668.
- Closed dendroidal sets and unital operads.
Chapters
- , Lecture Notes in Mathematics (pp. 209-214). Springer International Publishing
- , European Congress of Mathematics (pp. 481-489). Birkhäuser Basel
- (pp. 101-114). American Mathematical Society
- , Handbook of Algebra (pp. xix-xix). Elsevier
Conference proceedings papers
- Resolution of coloured operads and rectification of homotopy algebras. Categories in Algebra, Geometry and Mathematical Physics, Vol. 431 (pp 31-58)
- Lie groupoids, sheaves and cohomology. Poisson Geometry, Deformation Quantisation and Group Representations, Vol. 323 (pp 145-+)
- Lie groupoids, gerbes, and non-Abelian cohomology. K-THEORY, Vol. 28(3) (pp 207-258)
- Type theories, toposes and constructive set theory: predicative aspects of AST. ANNALS OF PURE AND APPLIED LOGIC, Vol. 114(1-3) (pp 155-201)
- Monads on tensor categories. JOURNAL OF PURE AND APPLIED ALGEBRA, Vol. 168(2-3) (pp 189-208)
- Wellfounded trees in categories. ANNALS OF PURE AND APPLIED LOGIC, Vol. 104(1-3) (pp 189-218)
- Proof of a conjecture of A. Pitts. JOURNAL OF PURE AND APPLIED ALGEBRA, Vol. 143(1-3) (pp 329-338)
- On the weak homotopy type of Etale groupoids. INTEGRABLE SYSTEMS AND FOLIATIONS, Vol. 145 (pp 147-156)
- A Unified Approach to Algebraic Set Theory
Website content
Working papers
- W-types in sheaves.
- On the universal enveloping algebra of a Lie-Rinehart algebra. published as: On the universal enveloping algebra of a Lie algebroid. Proc. Amer. Math. Soc., 138, 3135-3145.
- Introduction to the language of stacks and gerbes.
- The renormalisation bialgebra and operads.
- Orbifolds as Groupoids: an Introduction.
- On the Classification of Regular Groupoids.
- On the Connes-Kreimer construction of Hopf Algebras.
- A definability theorem for first order logic.
Preprints