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rogueviz::ds::tour:: fixed the formula for dS2

This commit is contained in:
Zeno Rogue 2025-04-08 12:26:20 +02:00
parent 38457b96cb
commit d02e470cc7

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@ -685,7 +685,7 @@ slide relhell_tour[] = {
latex_slide(mode, defs+R"=(
{\color{remph}de Sitter spacetime:}
\begin{itemize}
\item $\dS{2} = \{(x,y,z,t) \in \bbE^{3,1}: \\ x^2+y^2+z^2-t^2=-1\}$
\item $\dS{2} = \{(x,y,z,t) \in \bbE^{3,1}: \\ x^2+y^2+z^2-t^2=1\}$
\item take $t=0$ -- we get $\bbS^2$
\item the universe is expanding with $t$ \\ (not if we apply Lorentz transformation)
\end{itemize}