I’ve largely given up writing stories about new dark-matter candidates. Theoretical physicists keep coming up with more elaborate scenarios to make dark matter more interesting and less inert. It all ...

This is a preview. Log in through your library . Abstract In this paper, we consider a transmission problem in the presence of a boundary control condition of nonlocal type. We prove well-posedness by ...

Tooth decay can appear differently depending on the stage of severity. You may experience more symptoms, including pain and swollen lymph nodes, at later stages. Tooth decay is damage that occurs to ...