# Recent history for yayu

5
years
ago
 posted a comment Supergravity calculation using computer algebra system in early days
6
years
ago
 posted a comment Why is pseudorapidity defined as $-\log \tan \theta/2$
6
years
ago
 question answered Why is pseudorapidity defined as $-\log \tan \theta/2$
6
years
ago
 received upvote on question Why is pseudorapidity defined as $-\log \tan \theta/2$
6
years
ago
 received upvote on question Why is pseudorapidity defined as $-\log \tan \theta/2$
6
years
ago
 received upvote on question Why is pseudorapidity defined as $-\log \tan \theta/2$
6
years
ago
 received upvote on question Why is pseudorapidity defined as $-\log \tan \theta/2$
6
years
ago
 received upvote on question Why is pseudorapidity defined as $-\log \tan \theta/2$
6
years
ago
 received upvote on question Why is pseudorapidity defined as $-\log \tan \theta/2$
6
years
ago
 question answered Why is pseudorapidity defined as $-\log \tan \theta/2$
6
years
ago
 posted a question Why is pseudorapidity defined as \$-\lo...
7
years
ago
 question commented on Irreducible tensors concept
7
years
ago
 question commented on Irreducible tensors concept
7
years
ago
 question commented on Irreducible tensors concept
7
years
ago
 posted a comment Online physics collaboration tools
7
years
ago
 posted an answer Online physics collaboration tools
7
years
ago