It's an odd story in itself...but this is gold:
"Professor Robert Smith? (the question mark is part of his surname and not a typographical mistake) and colleagues wrote: "We model a zombie attack using biological assumptions based on popular zombie movies.
"We introduce a basic model for zombie infection and illustrate the outcome with numerical solutions."
On his university web page, the mathematics professor at Ottawa University says the question mark distinguishes him from Robert Smith, lead singer of rock band The Cure."