skew-symmetric function

for all permutations σ of n variables; here sgn(σ) denotes the parity of σ, 1 if σ is even and −1 if σ is odd. See elementary symmetric polynomial.

• rhombus
• RHS
• RI
• Riemann, (Georg Friedrich) Bernhard
• Riemann hypothesis
• Riemannian manifold
• Riemann integral
• Riemann-Lebesgue lemma
• Riemann mapping theorem
• Riemann sphere
• Riemann surface
• Riemann zeta function
• Riemann–Roch Theorem
• Riesz representation theorem
• right angle
• right-angled triangle
• right-circular
• right derivative
• right-handed system
• right inverse
• right-regular
• rigid body
• rigid motion
• ring
• ring of integers