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| 8 A Ac L01 L02+16 A Ac L03^2+8 I A Bc E6-8 A Bc L03 L04+16 A Bc L03 L05+8 A Bc L03 L06+8 I A Cc E3-8 A Cc L03 L07+16 A Cc L03 L08+8 A Cc L03 L09+8 I A Dc E5+16 A Dc L03 L10-8 I Ac B E6-8 Ac B L03 L04+16 Ac B L03 L05+8 Ac B L03 L06-8 I Ac C E3-8... |
| Hello everyone. How to contract lorentz tensors and to specify contraction rules for them? I'm doing High Energy Physics and have to calculate the square of S-matrix (actually, M-matrix) amplitude. For simplicity, let's say my amplitude has the... |
| ![code][1] How do I reduce the fraction replacing a part of it with K10? Replace, /. and FullSimplify do not help :( [1]: /c/portal/getImageAttachment?filename=simplify.jpg&userId=469104 |