Skip to main content
MathOverflow
DiophantineStudy's user avatar
DiophantineStudy's user avatar
DiophantineStudy's user avatar
DiophantineStudy
Unregistered
  • Member for 8 years, 7 months
  • Last seen more than 8 years ago
Profile Activity

6 Actions

All Accepts Posts Badges Comments Revisions Reviews Suggestions
awarded
 Student
revised
How many integer solutions of $a^2+b^2=c^2+d^2+n$ are there?
added 121 characters in body
awarded
 Editor
comment
How many integer solutions of $a^2+b^2=c^2+d^2+n$ are there?
Thanks, very nice a special solution. I have edited my questions, should be $a^2+b^2=c^2+d^2+n$ for any integer n.
revised
How many integer solutions of $a^2+b^2=c^2+d^2+n$ are there?
added 45 characters in body
asked
How many integer solutions of $a^2+b^2=c^2+d^2+n$ are there?