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math.CO2022
Pushing Blocks by Sweeping Lines
Hugo A. Akitaya, Maarten Löffler, Giovanni Viglietta
We investigate the reconfiguration of blocks, or "tokens", in the square grid using "line pushes". A line push is performed from one of the four cardinal directions and pushes…
math.CO2014★ 5 cited
Counting Carambolas
Adrian Dumitrescu, Maarten Löffler, André Schulz +1
We give upper and lower bounds on the maximum and minimum number of geometric configurations of various kinds present (as subgraphs) in a triangulation of points in the plane.…