Kavli Affiliate: Toshitake Kohno | Summary:We consider subgroups of the braid groups which are generated by $k$-th powers of the standard generators and prove that any infinite intersection (with even $k$) is trivial. This is motivated by some conjectures of Squier concerning the kernels of Burau’s representations of the braid groups at roots of unity. […]

Kavli Affiliate: Tomiyoshi Haruyama | Summary:Discussions in the taskforce meetings in the period of Jan.-Mar. 2009 on the technical possibility of the ultracold neutron (UCN) source at the Japan Proton Accelerator Research Complex (J-PARC) is summarized. | Search Query: arXiv Query: search_query=au:”Haruyama Tomiyoshi”&id_list=&start=0&max_results=10Read More