Matrix Zoo-1

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Across
  1. 1. Matrix whose inverse is its transpose
  2. 3. Alternate name for gamma matrices
  3. 5. Determinant of functional matris and their derivatives
  4. 8. Matrix with all eigenvalues equal to 1
  5. 10. Self-adjoint matrix
  6. 12. Alternate name for covariance matrices
  7. 16. Matrix used in knot theory
  8. 18. Matrix that equals its transpose
  9. 19. Infinite matrices whose columns are associated with a sequence of generating functions
  10. 20. Matrix commuting with its transpose conjugate
Down
  1. 2. Square matrix with mutually orthogonal rows and entries 1 or −1
  2. 4. Matrix associated to a (reduced) root system
  3. 6. Matrix with non-negative off-diagonal entries
  4. 7. Matrix equal to its integer powers
  5. 9. Matrix such that the determinant is the resultant of two polynomials
  6. 11. Matrix coinciding with its inverse
  7. 13. Square matrix associated to a bipartite graph
  8. 14. Generalized Pauli matrices
  9. 15. A matrix whose entries are either 0 or 1
  10. 17. Matrix with eigenvalues having strictly negative real part