Author

Nitin Kumar

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Preprint Oct 2026

Entropy-production cost limits hierarchical decision-making in homing pigeon flocks

Collective decision-making requires individuals to reconcile diverse, often conflicting opinions to reach a common course of action. However, within a group, they rarely exert equal influence, leading to non-reciprocal communication patterns manifested as leader-follower relationships and social hierarchies. Here, usin...

Bibaswan Ghosh, Vipul Rai, Harsh Soni et al. · 0 citations

Preprint Oct 2026

Beyond Dry Flocking: Shape-Dependent Hydrodynamic Alignment

Flocking results from dynamical alignment among neighbors in a collection of active self-propelling objects. The intervening medium, typically a fluid, however, is not considered to be important for alignment, except for acting as a momentum sink. The flocking system is therefore described as momentum nonconserving"dry...

Abhishek Thakur, Taniya Khatun, Soumyadeep Kundu et al. · 0 citations