Don't understand the specific meaning of parameters in bvar-a-la-sims

BVAR
1

I don’t understand the specific meaning of these five parameters in bvar-a-la-sims.pdf

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Are they the same with RATS 10 Users Guide ?
If that’s the same what’s the exact expression for Omega?
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2

A better reference is section 2.2 of
Del Negro Schorfheide 2010 - Bayesian Macroeconometrics WP Readable.pdf (1.2 MB)
The parameters above correspond to their \lambda_1 to \lambda_5.

3

Thank you, professor!