For a normal subgroup N of the free group 𝔽d with at least two generators, we introduce the radial limit set Λr(N, Φ) of N with respect to a graph directed Markov system Φ associated to 𝔽d. These ...
A method is obtained for counting the normal subgroups N of a noneuclidean crystallographic group Γ without reflections, with a given finite quotient group Γ/N; this this has applications to the ...
This course is available on the BSc in Mathematics and Economics, BSc in Mathematics with Data Science, BSc in Mathematics with Economics, BSc in Mathematics, Statistics and Business, Erasmus ...
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