2 papers
math.CO2024
Lucky cars and lucky spots in parking functions
Steve Butler, Kimberly Hadaway, Victoria Lenius +2
Parking functions correspond with preferences of cars which enter sequentially to park on a one-way street where (1) each car parks in the first available spot greater than or…
math.CO2024
Coalescing sets preserving cospectrality of graphs arising from block similarity matrices
Sajid Bin Mahamud, Steve Butler, Hannah Graff +5
Coalescing involves gluing one or more rooted graphs onto another graph. Under specific conditions, it is possible to start with cospectral graphs that are coalesced in similar way…