What's it about? - An Unstable System

This novel is about Matt Nicholson, who was the inventor of the cyber mine in Coin. This time, he gets invited to Geneva to work on a new Artificial Intelligence system called RightMind. 

There he meets Simon Gray, who links him back to his friends Amanda and Grace in SI6 and GHCQ.

The Geneva lab is being run by Brant Industries, and it is surmised they want to use the AI for militaristic purposes. Amanda calls on The Triangle gang comprising Jake, Bigsy, Clare and Christina, who dig deep into what is happening at Brant. 

A couple of totalitarian states have an interest in proceedings and there's also Duncan Melship, a dodgy British politician, lurking in the background. Coin was written as a stand-alone novel, but by the time An Unstable System and Jump have played out, there should be a linkage from Coin right the way through to Edge. 

 And here's a useful diagram of Poincaré's conjecture – a feature of torus mathematic's homeomorphism and showing what happens if you wear a magnetic induction hat too close to a Hadron Collider.

Of course, Matt, in the novel was a genius teetering on the Edge of madness, so none of this should come as a surprise. And Steven Hawking liked the bagel/universe theory.