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Articles

Multigraded Betti numbers of Möbius domino ideals

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Pages 2269-2278 | Received 28 Jan 2021, Accepted 06 Nov 2021, Published online: 29 Nov 2021
 

Abstract

We enumerate graded Betti numbers of the minimal free resolutions of ideals generated by domino tilings of 2×n Möbius bands by using combinatorial information from the domino tilings in two ways: first using a splitting function to find a recursive formula and second using a bijection to enumerate in terms of binomial coefficients and Fibonacci numbers.

2020 MATHEMATICS SUBJECT CLASSIFICATION:

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