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Jens Hemelaer

Papers/preprints

  • Jens Hemelaer,
    Localization of monoids and topos theory,
    arXiv:2303.06781.
  • Jens Hemelaer,
    Some toposes over which essential implies locally connected,
    Cahiers de Topologie et Géométrie Différentielle Catégoriques (2022), arXiv:2204.02749.
  • Jens Hemelaer and Morgan Rogers,
    Geometric morphisms between toposes of monoid actions: factorization systems,
    arXiv:2203.09133.
  • Jens Hemelaer and Morgan Rogers,
    Solution to a problem of FitzGerald,
    Semigroup Forum (2021), arXiv:2011.12129.
  • Jens Hemelaer and Morgan Rogers,
    An essential, hyperconnected, local geometric morphism that is not locally connected,
    Applied Categorical Structures (2021), arXiv:2009.12241.
  • Jens Hemelaer and Morgan Rogers,
    Monoid Properties as Invariants of Toposes of Monoid Actions,
    Applied Categorical Structures (2021), arXiv:2004.10513.
  • Karin Cvetko-Vah, Jens Hemelaer and Lieven Le Bruyn,
    Duality for noncommutative frames,
    Topology and its Applications (2020), arXiv:1911.12625.
  • Karin Cvetko-Vah, Jens Hemelaer and Jonathan Leech,
    Noncommutative Frames Revisited,
    Ars Mathematica Contemporanea (2020), arXiv:1911.12355.
  • Jens Hemelaer,
    A topological groupoid representing the topos of presheaves on a monoid,
    Applied Categorical Structures (2020), arXiv:1906.02690.
  • Jens Hemelaer,
    Grothendieck topologies on posets,
    arXiv:1811.10039.
  • Jens Hemelaer,
    An arithmetic topos for integer matrices,
    Journal of Number Theory (2019), arXiv:1806.01887 (video).
  • Jens Hemelaer,
    Azumaya toposes,
    arXiv:1707.03814.
  • Karin Cvetko-Vah, Jens Hemelaer and Lieven Le Bruyn,
    What is a noncommutative topos?,
    Journal of Algebra and Its Applications (2018), arXiv:1705.02831.
  • Jens Hemelaer and Lieven Le Bruyn,
    Azumaya geometry and representation stacks,
    arXiv:1606.07885.

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