Doesn't suit? No problem! You can return items for up to 30 days
You won't go wrong with a gift voucher. The gift recipient can choose anything from our offer.
Up to 30 days for returns
Based on the idea that outer symmetries of space-time are the same as inner symmetries of matter; in other words, the standard model of physics is a space-time group, this book describes structures and phenomena that are lying hidden underneath the surface of space-time.