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0 pointstrenchgun2y ago0 comments

Is it because of th minus sign?

0 comments

Pretty much yeah. A metric like x^2 - t^2 is quite different from one like x^2 + y^2 (and to some extent those are the only possible in 2d)

j / k navigate · click thread line to collapse

0 pointstrenchgun2y ago0 comments

Is it because of th minus sign?

Pretty much yeah. A metric like x^2 - t^2 is quite different from one like x^2 + y^2 (and to some extent those are the only possible in 2d)

j / k navigate · click thread line to collapse