Mridul Aanjaneya
[PHOTO] Department of Computer Science
Rutgers University
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Tromino tilings of domino-deficient rectangles

Mridul Aanjaneya
Discrete Mathematics, 309, 4, 937-944 (2009)


Abstract: We consider tromino tilings of m×n domino-deficient rectangles, where 3|(mn2), and characterize all cases of domino removal that admit such tilings, thereby settling the open problem posed by Ash and Golomb in [J. Marshall Ash, S. Golomb, Tiling Deficient Rectangles with Trominoes, Integre Technical Publishing Co., Mathematics Magazine (2003), 46–55]. We suggest a procedure for tiling domino-deficient rectangles based on this characterization. We also consider general 2-deficiency in n×4 rectangles, where n8, and characterize all pairs of missing squares which do not permit a tromino tiling.

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