So wordpress is supposed to have good LaTeX support, so I thought I would try it out. Here is a formal expression from my thesis.

$\sum\limits_i K(i) \prod\limits_{e \in \mathcal{E}(\Gamma)} s_{\nu(e,i)}( \underline{B}(e) )$

Here is the Weyl Character Formula:

$Ch(\lambda) = \left( \sum\limits_{w \in W} sign(w) \exp(w . (\lambda + \rho) ) \right) / \left( \sum\limits_{w \in W} sign(w) \exp(w . \rho) \right)$

Here it is again as a fraction:

$Ch(\lambda) = \frac{ \sum\limits_{w \in W} sign(w) e^{w . (\lambda + \rho)} }{ \sum\limits_{w \in W} sign(w) e^{w . \rho} }$

Update: I completely screwed up the Weyl Character formula trying to reproduce it from memory. That’s embarrassing.