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Apr 22, 2022 at 12:25 vote accept Y. Zhao
Apr 21, 2022 at 20:09 answer added assaferan timeline score: 4
Feb 22, 2016 at 22:49 comment added Abdelmalek Abdesselam since this question is about explicit modular paramtetrization, let me put a link to a related question I asked: mathoverflow.net/questions/96621/…
Feb 22, 2016 at 2:55 vote accept Y. Zhao
Feb 22, 2016 at 3:25
Feb 21, 2016 at 21:22 answer added Will Jagy timeline score: 2
Feb 21, 2016 at 20:22 history edited Y. Zhao CC BY-SA 3.0
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Feb 21, 2016 at 20:10 answer added Will Jagy timeline score: 2
Feb 21, 2016 at 19:46 answer added few_reps timeline score: 2
Feb 21, 2016 at 19:33 comment added Y. Zhao @DavidLoeffler: Yes, $A$ should be a $4\times 4$ matrix. The title of the question is about "quaternary forms", but I think I should emphasis that $A$ is a $4\times 4$ matrix.
Feb 21, 2016 at 19:31 history edited Y. Zhao CC BY-SA 3.0
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Feb 21, 2016 at 18:13 comment added David Loeffler In your question, do you want to assume $A$ is a $4 \times 4$ matrix? It's a little unclear which parameters depend on which here.
Feb 21, 2016 at 18:06 history edited Y. Zhao CC BY-SA 3.0
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Feb 21, 2016 at 18:00 history asked Y. Zhao CC BY-SA 3.0