Abstract
A finite or infinite matrix A is image partition regular provided that whenever \({\mathbb {N}}\) is finitely colored, there must be some \(\vec {x}\) with entries from \({\mathbb {N}}\) such that all entries of \(A \vec {x}\) are in the same color class. Comparing to the finite case, infinite image partition regular matrices seem more harder to analyze. The concept of centrally image partition regular matrices were introduced to extend the results of finite image partition regular matrices to infinite one. In this paper, we shall introduce the notion of C-image partition regular matrices, an interesting subclass of centrally image partition regular matrices. Also we shall see that many of known centrally image partition regular matrices are C-image partition regular.
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Acknowledgements
The authors are highly thankful to Neil Hindman, Dona Strauss and, the anonymous referee for his patient study of an initial draft of the paper and also for providing helpful comments towards the improvement of the article.
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Chakraborty, S., Patra, S.K. Infinite Image Partition Regular Matrices - Solution in C-sets. Bull Braz Math Soc, New Series 52, 253–265 (2021). https://doi.org/10.1007/s00574-020-00201-0
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DOI: https://doi.org/10.1007/s00574-020-00201-0