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math.CO2023
Bijective enumeration of general stacks
Qianghui Guo, Yinglie Jin, Lisa H. Sun +1
Combinatorial enumeration of various RNA secondary structures and protein contact maps, is of great interest for both combinatorists and computational biologists. Enumeration of pr…
math.CO2021
A semi-bijective algorithm for saturated extended 2-regular simple stacks
Qianghui Guo, Yinglie Jin, Lisa H. Sun +1
Combinatorics of biopolymer structures, especially enumeration of various RNA secondary structures and protein contact maps, is of significant interest for communities of both comb…
math.CO2014
Zigzag Stacks and m-Regular Linear Stacks
William Y. C. Chen, Qiang-Hui Guo, Lisa H. Sun +1
The contact map of a protein fold is a graph that represents the patterns of contacts in the fold. It is known that the contact map can be decomposed into stacks and queues. RNA se…