Top network posts

• 25 What is the status of Witten's and Vafa's argument that the QCD vacuum energy is a minimum for zero $\theta$ angle?
• 18 Why do we classify states under covering groups instead of the group itself?
• 18 How to submit 'teaching evaluations' for a job application?
• 16 What are the aspects associated with working in a 'liberal arts environment' in academia?
• 14 If gauge symmetries are fake, then why do we care if they are anomalous?
• 14 Is it appropriate to include additional materials in an academic job application?
• 13 Explanation for $E~$ not falling off at $1/r^2$ for infinite line and sheet charges?
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