deletions | additions       diff --git a/F_Delta_t_begin_cases__.tex b/F_Delta_t_begin_cases__.tex  index afb0710..59fc528 100644  --- a/F_Delta_t_begin_cases__.tex  +++ b/F_Delta_t_begin_cases__.tex 
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$F(\Delta t) = \begin{cases} g_{ex} A_{+} e^{−\Delta t/τ+}\:\mathrm{for\:\Delta t <0}\\A_{DA} <0}\\A{_}(DA)  e^{−\Delta t/τ+}\:\mathrm{for\:\Delta t > 0}\} \end{cases}$