Volume 41, issue 1 (2021)

Articoli

• Title page

  i-ii

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• Harmonic morphisms of compact homogeneous spaces of positive curvature

  Hajime Urakawai

  1-18

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• Open $X$-ranks with respect to Segre and Veronese varieties

  Edoardo Ballico

  19-30

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• The Ricci soliton equation for homogeneous Siklos spacetimes

  Giovanni Calvaruso

  31-44

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• A note on weakly $s$-normal subgroups of finite groups

  Changwen Li

  45-54

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• Minimal Hopf-Galois Structures on Separable Field Extensions

  Tony Ezome, Cornelius Greither

  55-68

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• A note on the Formanek Weingarten function

  Claudio Procesi

  69-110

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• On an autoregressive process driven by a sequence of Gaussian cylindrical random variables

  Felix Che Shu

  111-130

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• Index

  131

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• Colophon

  132

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