Document Classes ⇒ Space between and within equations in Beamer

[bscout]

Hi guys.
I am working on a presentation and I am having a problem with the space within two equations in the equation environment and also with the space that is left after an equation, i.e. after the \end{equation}.

Specifically this is one of the case in which I am have too much space:

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\item Some stuff $\left\{\epsilon_{ij}\right\}$ i.i.d. 
$$\sigma_j(\omega,p)\equiv\sigma(\omega_j,\omega_{-j},p_j,p_{-j})=\frac{exp\left[g(\omega_j)-p_j\right]}{1+\sum_{q=1}^{J}\left[g(\omega_q)-p_q\right]}$$ \pause
\item I wish this was closer to the equation \pause

Thanks in advance and I apologize for the inconvenience.

[Stefan Kottwitz]

Hi,

you could change the value of \belowdisplayskip and \belowdisplayshortskip:

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\setlength{\belowdisplayskip}{0pt}

You could even use negative values. The corresponding lengths for the skips above are \abovedisplayskip and \abovedisplayshortskip.
If you change those values inside an itemize environment it will not have an effect outside, the equations outside will be displayed like default.

Stefan

[bscout]

Thank you very much Stefan_K. I think I am doing something wrong since is not working.

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\item $\left\{\epsilon_{ij}\right\}$ i.i.d. 
\setlength{\belowdisplayskip}{-10pt}
$$\sigma_j(\omega,p)\equiv\sigma(\omega_j,\omega_{-j},p_j,p_{-j})=\frac{exp\left[g(\omega_j)-p_j\right]}{1+\sum_{q=1}^{J}\left[g(\omega_q)-p_q\right]}$$ \pause
\item Therefore \pause

Could you take a minute again to tell me what I should do? I did not get completely the idea. Sorry.

[Stefan Kottwitz]

It works for me, perhaps provide a compilable minimal working example showing the problem.

Stefan