Mathematics

C

• Calculus of variations
• Convolution theorem

D

• Dirac delta function

F

• Fourier transform

G

• Gram-Schmidt method

H

• Heaviside step function
• Hilbert space
• Holomorphic function

K

• Kramers-Kronig relations

L

• Legendre transform

P

• Parseval's theorem
• Partial fraction decomposition

S

• Schwartz distribution
• Sturm-Liouville theory