The first issue of the "Abhandlungen aus dem Mathematischen Seminar der Universität Hamburg" was published in the year 1921. This international mathematical journal has since then provided a forum for significant research contributions. The journal covers all central areas of pure mathematics, such as algebra, complex analysis and geometry, differential geometry and global analysis, graph theory and discrete mathematics, Lie theory, number theory, and algebraic topology.
Abhandlungen aus dem Mathematischen Seminar der Universität Hamburg
Opis
Identyfikatory
ISSN | 0025-5858 |
e-ISSN | 1865-8784 |
DOI | 10.1007/12188.1865-8784 |
Wydawca
Springer Berlin Heidelberg
Informacje dodatkowe
Zbiór danych: Springer
Artykuły
Abhandlungen aus dem Mathematischen Seminar der Universität Hamburg > 2019 > 89 > 2 > 209-223
We determine the structure over $$\mathbb {Z}$$ Z of a ring of symmetric Hermitian modular forms of degree 2 with integral Fourier coefficients whose weights are multiples of 4 when the base field is the Gaussian number field $$\mathbb {Q}(\sqrt{-1})$$ Q ( - 1 ) . Namely, we give a set of generators consisting of 24 modular forms. As an application of our structure theorem, we give...
Abhandlungen aus dem Mathematischen Seminar der Universität Hamburg > 2019 > 89 > 2 > 179-201
A list of possible holonomy groups with indecomposable holonomy representation contained in the exceptional, non-compact Lie group $${\mathrm {G}}_2^{*}$$ G 2 ∗ was provided by Fino and Kath. The classification is due to the corresponding holonomy algebras and divided into Type I, II and III, depending on the dimension of the socle being 1, 2 or 3, respectively. It was also shown by Fino...
Abhandlungen aus dem Mathematischen Seminar der Universität Hamburg > 2019 > 89 > 2 > 151-168
We construct isomorphisms between spaces of vector-valued modular forms for the dual Weil representation and certain spaces of scalar-valued modular forms in the case that the underlying finite quadratic module A has order p or 2p, where p is an odd prime. The isomorphisms are given by twisted sums of the components of vector-valued modular forms. Our results generalize work of Bruinier and Bundschuh...