# I discover vegetables taste good in Dijon sauce then proceed to spread the gospel

I had a dozen eggs in the fridge that I need to use up by Wednesday; now I’m down to four. I made Jaffa cakes last week (not bad, but not memorable, and definitely not worth the effort: my main complaint is that the cake portion is bland and has a too-tough texture) and I [...]

# Puzzled by the definition of stationarity

I’m reading Santosh Vempala’s survey “Geometric Random Walks: A Survey,” and already I’m puzzled at one of the very first definitions he gives. Define a Markov chain as a state space sigma algebra pair $$(K, \mathcal{A})$$ with transition probability measures given by $$P_u$$ for each $$u \in K.$$ A distribution $$Q$$ on $$(K, \mathcal{A})$$ is [...]