Search Results - "Yetter, D"

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    Factorizations of surjective maps of connected quandles by Braun, T, Crotwell, C, Liu, A, Weston, P, Yetter, D. N

    Published 24-09-2019
    “…Involve 14 (2021) 53-64 We consider the problem of when one quandle homomorphism will factor through another, restricting our attention to the case where all…”
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    Abelian categories of modules over a (lax) monoidal functor by Yetter, D.N.

    Published in Advances in mathematics (New York. 1965) (25-03-2003)
    “…Crane and Yetter (Deformations of (bi)tensor categories, Cahier de Topologie et Géometrie Differentielle Catégorique, 1998) introduced a deformation theory for…”
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    Bicategories for TQFTs with Defects with Structure by Lee, I. J, Yetter, D. N

    Published 13-03-2020
    “…We provide a description of adequate categorical data to give a Turaev-Viro type state-sum construct of invariants of 3-manifolds with a system of defects,…”
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    Complementation of Subquandles by Amsberry, K. J, Bergquist, J. A, Horstkamp, T. A, Lee, M. H, Yetter, D. N

    Published 17-04-2023
    “…Saki and Kiani proved that the subrack lattice of a rack $R$ is necessarily complemented if $R$ is finite but not necessarily complemented if $R$ is infinite…”
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    Stratified spaces, Directed Algebraic Topology, and State-Sum TQFTs by Lee, I. J, Yetter, D. N

    Published 20-07-2018
    “…We apply the theory of directed topology developed by Grandis [9, 10] to the study of stratified spaces by describing several ways in which a stratification or…”
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    Dijkgraaf-Witten Type Invariants of Seifert Surfaces in 3-Manifolds by Lee, I. J, Yetter, D. N

    Published 03-07-2015
    “…We introduce defects, with internal gauge symmetries, on a knot and Seifert surface to a knot into the combinatorial construction of finite gauge-group…”
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    Multi-Skein Invariants for Welded and Extended Welded Knots and Links by Backes, N, Kaiser, M, Leafblad, T, Peterson, E. I. C, Yetter, D. N

    Published 16-09-2018
    “…The theory of welded and extended welded knots is a generalization of classical knot theory. Welded (resp. extended welded) knot diagrams include virtual…”
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    On Deformations of Pasting Diagrams, II by Shreshtha, Tej, Yetter, D. N

    Published 13-03-2013
    “…We continue the development of the infinitesimal deformation theory of pasting diagrams of k-linear categories begun in Yetter, D.N. "On Deformations of…”
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    On Deformations of Pasting Diagrams by Yetter, D. N

    Published 24-09-2007
    “…We adapt the work of Power to describe general, not-necessarily composable, not-necessarily commutative 2-categorical pasting diagrams and their composable and…”
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    Invariants of smooth 4-manifolds via Vassiliev theory by Yetter, D. N

    Published 20-10-2005
    “…The above named paper has been withdrawn. A colleague has observed a gap in the proof of isotopy invariance, which can be repaired by reducing the coefficients…”
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    Measurable Categories by Yetter, D. N

    Published 10-09-2003
    “…We develop the theory of categories of measurable fields of Hilbert spaces and bounded fields of bounded operators. We examine classes of functors and natural…”
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    On a Basis for the Framed Link Vector Space Spanned by Chord Diagrams by Bischof, B, Kogan, R, Yetter, D. N

    Published 21-01-2008
    “…In view of the result of Kontsevich, now often called ``the fundamental theorem of Vassiliev theory'', identifying the graded dual of the associated graded…”
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    Quandles and Monodromy by Yetter, D. N

    Published 14-05-2002
    “…We show that a variety of monodromy phenomena arising in geometric topology and algebraic geometry are most conveniently described in terms of quandle…”
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    Quandles and Lefschetz Fibrations by Yetter, D. N

    Published 28-01-2002
    “…We show that isotopy classes of simple closed curves in any oriented surface admit a quandle structure with operations induced by Dehn twists, the Dehn quandle…”
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    Measurable Categories and 2-Groups by Crane, L, Yetter, D. N

    Published 12-05-2003
    “…Using the theory of measurable categories developped by Yetter in work in preparation, we provide a notion of representations of 2-groups more well-suited to…”
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