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math.CO2020★ 2 cited
A combinatorial viewpoint on preserving notion of largeness and an abstract Rado theorem
Sayan Goswami, Subhajit Jana
In this paper we will systematically study the preservation of the notion of largeness of sets, arises from the algebraic structure of Stone-Cech compactification, under homomorphi…
math.CO2019
Abundance of Progression in commutative semigroup by elementary means
Sayan Goswami, Subhajit Jana
Furstenberg and Glasner proved that for an arbitrary k in N, any piecewise syndetic set contains k term arithmetic progression and such collection is also piecewise syndetic in Z.…