Pfaffian

Meaning

Noun

The determinant of a skew-symmetric matrix, capable of being written as the square of a polynomial in the matrix entries.
A member of a circle of artists that met at Pfaff's, a restaurant on Broadway.

Origin

Pfaff + -ian, after Johann Friedrich Pfaff.
After Charles Ignatious Pfaff, the founder of the restaurant.

Modern English dictionary

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