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CFP> World Genealogy: Knowledge, Kinship and Ancestors in Global and Historical Perspective (June 2026 / Hamburg, Germany) https://networks.h-net.org/group/announcements/20069799/world-genealogy-knowledge-kinship-and-…

This https://arxiv.org/abs/2504.21059 has been replaced.
initial toot: https://mastoxiv.page/@arXiv_mat…

A remark on the number of automorphisms of some algebraic structures
In these notes we look at the following question. Given a category $\mathcal C$ of algebraic structure (e.g. the category of groups, monoids, partial groups, ...) and a rational $r\in \mathbb Q$, does there exists an element $x\in \mathcal C$ such that the size of its automorphism group $\text{Aut}_{\mathcal C} (x)$ divided by the size of $x$ (whatever that would means) is equal to $r$\,? To our knowledge, this question was introduced by Tărnăuceanu in the category of groups. Here, we answer …

World Genealogy: Knowledge, Kinship and Ancestors in Global and Historical Perspective (June 2026 / Hamburg, Germany) https://networks.h-net.org/group/announcements/20069800/world-genealogy-knowledge-kinship-and-ancestor…

CFP> World Genealogy: Knowledge, Kinship and Ancestors in Global and Historical Perspective (June 2026 / Hamburg, Germany)
https://ift.tt/3R79DJV
When did aliens become a problem? The Mediterranean Association for Marine Biology and Oceanology in…
via Input 4 RELCFP

World Genealogy: Knowledge, Kinship and Ancestors in Global and Historical Perspective (June 2026 / Hamburg, Germany)
https://ift.tt/3as6Lt5
When did aliens become a problem? The Mediterranean Association for Marine Biology and Oceanology in…
via Input 4 RELCFP