1,873 reputation
922
bio website math.pugetsound.edu/~mspivey
location Tacoma, Washington, USA
age 41
visits member for 3 years, 9 months
seen Jul 22 at 19:35
I am a mathematics professor at the University of Puget Sound. My background is operations research, and I tend to like problems at the intersection of combinatorics, probability, and optimization.

Jul
22
awarded  Nice Answer
Jul
2
awarded  Curious
Apr
21
awarded  Popular Question
Apr
18
accepted Solving a general two-term combinatorial recurrence relation
Oct
10
awarded  Constituent
Oct
1
awarded  Yearling
Oct
1
awarded  Caucus
Aug
27
awarded  Necromancer
Jul
21
awarded  Nice Answer
Jun
25
awarded  Revival
Apr
5
awarded  Nice Answer
Jan
28
awarded  Popular Question
Dec
4
revised How to solve a specific multivariate recurrence relation (or general ones)
added formula; added 6 characters in body; deleted 2 characters in body; edited body
Nov
29
answered How to solve a specific multivariate recurrence relation (or general ones)
Nov
28
awarded  Popular Question
Oct
1
awarded  Yearling
May
25
awarded  Nice Answer
Feb
2
revised Combinatorial proof for the number of lattice paths that return to the axis only at times that are a multiple of 4
involution, not bijection; added link
Jan
29
comment Combinatorial proof for the number of lattice paths that return to the axis only at times that are a multiple of 4
@darij: I've added a reference to a note by Callan that gives the argument for the non-alternating version. It's more than three pages. :)
Jan
29
revised Combinatorial proof for the number of lattice paths that return to the axis only at times that are a multiple of 4
added reference to note by Callan