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In a recent note F. Lin showed that if a rational homology sphere Y admits a taut foliation then the Heegaard Floer module HF^- (Y) contains a copy of FU/U as a summand (arXiv: 2309. 01222). This implies that either the L-space conjecture is false or that Heegaard Floer homology satisfies a geography restriction. We verify that Lin's geography restriction holds for a wide class of rational homology spheres. Indeed, we show that the Heegaard Floer module HF^- (Y) may satisfy a stronger geography restriction.
Alfieri et al. (Sat,) studied this question.