Contact details

If you wish to email me for work-related matters, please send your message to

y ⋄ LASTNAME1 ♠ HENRYVI ⋄ ac ⋄ uk

after replacing ⋄ with `full stop', LASTNAME with my family name, ♠ with the `at sign', and HENRYVI with `lancaster'.

Post should be sent to:

Department of Mathematics and Statistics
Lancaster University
Bailrigg, Lancaster


I am the Postgraduate Tutor for Research Students in Mathematics (the corresponding tutor for those in statistics is Kanchan Mukherjee). Click here for some links for PG students (experimental/temporary page for housekeeping).


I occasionally blog here about bits of maths-related flotsam, or inane "commentary" by bien-pensant op-ed writers, that have floated by and caught my attention. It's not updated as frequently as it should be, though.

Disclaimer: these comprise my own personal views and do not necessarily represent the opinions of the Department of Mathematics & Statistics, or Lancaster University, or indeed anyone else.

Mrs Brown bent down. "You're a very small bear," she said.
The bear puffed out its chest. "I'm a very rare sort of bear," he replied, importantly. "There aren't many of us left where I come from."

- from A Bear Called Paddington by Michael Bond -