λEnter Calculus CompanionRegistered manuscripts, kept distinct

Manuscript XVI-I@1 · XVI-I.tex · section · a7046a8d

Wavefront relation and punctured products

An ambient propagator in the selected normalization › Wavefront relation and punctured products · lines 725–736

Back to manuscript

Use the mathematical Fourier convention $u (k) = \int e^{- i k \cdot r} u (r) d^{4} r$ , with the coordinate pairing in that formula. Let

q (r) = (r^{0})^{2} - ∣ r ∣^{2}, C^{\circ} = {r \neq = 0 : q (r) = 0} .

Displayed formulas in this passage

unlabeled · line 731
$q (r) = (r^{0})^{2} - ∣ r ∣^{2}, C^{\circ} = {r \neq = 0 : q (r) = 0} .$

Nearby in this section