I would expect Tegmark to know more about the paper if his brother had worked there than if his brother had published some articles there (especially if his brother had published in a bunch of other places as well). However, it may also be that his brother has only published to that one site.
I would expect Tegmark to know more about the paper if his brother had worked there than if his brother had published some articles there (especially if his brother had published in a bunch of other places as well). However, it may also be that his brother has only published to that one site.