MA CROSSWORD

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Across
  1. 4. subset of X reachable with action g on identity
  2. 6. counting possibilities
  3. 9. matrix of derivatives
  4. 13. a bijection between groups
  5. 15. can be approximated by a line integral on the edge
  6. 17. path doesn't matter
  7. 19. theorem that states bounded sequences have convergent subsequence
Down
  1. 1. stuff flowing out
  2. 2. PDP^-1
  3. 3. # of __ =(n!)/(n-r)!
  4. 5. lambda
  5. 7. equals its taylor series
  6. 8. Group transformation that keeps relationships between elements
  7. 10. G/N
  8. 11. smallest upper bound
  9. 12. number of elements in Z_n*
  10. 13. biggest lower bound
  11. 14. g that sends x to itself
  12. 16. bane of MA students' existence
  13. 17. ___ sequence; gets closer together
  14. 18. ____ numbers (# of trees, mountains, etc.)