@article{53533,
  author       = {{Ernst, Alena and Schmidt, Kai-Uwe}},
  issn         = {{0305-0041}},
  journal      = {{Mathematical Proceedings of the Cambridge Philosophical Society}},
  keywords     = {{General Mathematics}},
  number       = {{1}},
  pages        = {{129--160}},
  publisher    = {{Cambridge University Press (CUP)}},
  title        = {{{Intersection theorems for finite general linear groups}}},
  doi          = {{10.1017/s0305004123000075}},
  volume       = {{175}},
  year         = {{2023}},
}

@article{66325,
  abstract     = {{<jats:title>Abstract</jats:title><jats:p>Let<jats:inline-formula><jats:alternatives><jats:inline-graphic xmlns:xlink="http://www.w3.org/1999/xlink" mime-subtype="png" xlink:href="S0305004123000518_inline1.png"/><jats:tex-math>$\mathfrak{A}$</jats:tex-math></jats:alternatives></jats:inline-formula>be a finite abelian group. In this paper, we classify harmonic<jats:inline-formula><jats:alternatives><jats:inline-graphic xmlns:xlink="http://www.w3.org/1999/xlink" mime-subtype="png" xlink:href="S0305004123000518_inline2.png"/><jats:tex-math>$\mathfrak{A}$</jats:tex-math></jats:alternatives></jats:inline-formula>-covers of a tropical curve<jats:inline-formula><jats:alternatives><jats:inline-graphic xmlns:xlink="http://www.w3.org/1999/xlink" mime-subtype="png" xlink:href="S0305004123000518_inline3.png"/><jats:tex-math>$\Gamma$</jats:tex-math></jats:alternatives></jats:inline-formula>(which allow dilation along edges and at vertices) in terms of the cohomology group of a suitably defined sheaf on<jats:inline-formula><jats:alternatives><jats:inline-graphic xmlns:xlink="http://www.w3.org/1999/xlink" mime-subtype="png" xlink:href="S0305004123000518_inline4.png"/><jats:tex-math>$\Gamma$</jats:tex-math></jats:alternatives></jats:inline-formula>. We give a realisability criterion for harmonic<jats:inline-formula><jats:alternatives><jats:inline-graphic xmlns:xlink="http://www.w3.org/1999/xlink" mime-subtype="png" xlink:href="S0305004123000518_inline5.png"/><jats:tex-math>$\mathfrak{A}$</jats:tex-math></jats:alternatives></jats:inline-formula>-covers by patching local monodromy data in an extended homology group on<jats:inline-formula><jats:alternatives><jats:inline-graphic xmlns:xlink="http://www.w3.org/1999/xlink" mime-subtype="png" xlink:href="S0305004123000518_inline6.png"/><jats:tex-math>$\Gamma$</jats:tex-math></jats:alternatives></jats:inline-formula>. As an explicit example, we work out the case<jats:inline-formula><jats:alternatives><jats:inline-graphic xmlns:xlink="http://www.w3.org/1999/xlink" mime-subtype="png" xlink:href="S0305004123000518_inline7.png"/><jats:tex-math>$\mathfrak{A}=\mathbb{Z}/p\mathbb{Z}$</jats:tex-math></jats:alternatives></jats:inline-formula>and explain how realisability for such covers is related to the nowhere-zero flow problem from graph theory.</jats:p>}},
  author       = {{Len, Yoav and Ulirsch, Martin and Zakharov, Dmitry}},
  issn         = {{0305-0041}},
  journal      = {{Mathematical Proceedings of the Cambridge Philosophical Society}},
  number       = {{2}},
  pages        = {{395--416}},
  publisher    = {{Cambridge University Press (CUP)}},
  title        = {{{Abelian tropical covers}}},
  doi          = {{10.1017/S0305004123000518}},
  volume       = {{176}},
  year         = {{2023}},
}

@article{16633,
  abstract     = {{<jats:title>Abstract</jats:title><jats:p>We obtain normal forms for infinitesimally symplectic matrices (or linear Hamiltonian vector fields) that commute with the symplectic action of a compact Lie group of symmetries. In doing so we extend Williamson's theorem on normal forms when there is no symmetry present.</jats:p><jats:p>Using standard representation-theoretic results the symmetry can be factored out and we reduce to finding normal forms over a real division ring. There are three real division rings consisting of the real, complex and quaternionic numbers. Of these, only the real case is covered in Williamson's original work.</jats:p>}},
  author       = {{Melbourne, Ian and Dellnitz, Michael}},
  issn         = {{0305-0041}},
  journal      = {{Mathematical Proceedings of the Cambridge Philosophical Society}},
  pages        = {{235--268}},
  title        = {{{Normal forms for linear Hamiltonian vector fields commuting with the action of a compact Lie group}}},
  doi          = {{10.1017/s0305004100071577}},
  year         = {{1993}},
}

