The singularity of the function (s = -1) is a branch point. Read these:
Mathematical methods in chemical ... - Google Books
http://books.google.com.au/books?id=...age&q=&f=false
this is a problem of using hte complex inversion formula to solve the inverse laplace transform of...
the solutions given to us say that the bromich contour used must have a branch point at s = -1 ... i have no idea why
The singularity of the function (s = -1) is a branch point. Read these:
Mathematical methods in chemical ... - Google Books
http://books.google.com.au/books?id=...age&q=&f=false