Illinois Senator Barack Obama, candidate for the U.S. presidency won the 2008 election and the state of North Carolina; a notably southern state with its own pernicious racial history. NC had hesitantly given Senator Obama its electoral blessings with a slim 14,177 margin of victory over Arizona...

President Barack Obama became the first African American U.S. President, in part, because of his 2008 victory in North Carolina. It was a stunning accomplishment in a state that has been but a dream for most modern Democratic presidential candidates. His achievement was based solidly on a...

We consider the dynamics of cultural evolution in spatially-structured populations. Most spatially explicit modeling approaches can be broadly divided into two classes: micro- and macro-level models. Macro-level models study cultural evolution at the population level and describe the average...

We introduce a modeling framework that can be applied to cases of multiple converging fronts during episodes of population expansion and innovation diffusion, referring to two prehistoric case studies known archaeologically (the spread of pottery-making in Europe, and the spread of farming in...