166 citations · 612 across the 16 of their papers we have counts for
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Collective behavior of stock price movements in an emerging market
Raj Kumar Pan, Sitabhra Sinha
To investigate the universality of the structure of interactions in different markets, we analyze the cross-correlation matrix C of stock price fluctuations in the National Stock E…
The Mathematical Modelling of Inhomogeneities in Ventricular Tissue
T. K. Shajahan, Sitabhra Sinha, Rahul Pandit
Cardiac arrhythmias such as ventricular tachycardia (VT) or ventricular fibrillation (VF) are the leading cause of death in the industrialised world. There is a growing consensus t…
Modular networks emerge from multiconstraint optimization
Raj Kumar Pan, Sitabhra Sinha
Modular structure is ubiquitous among complex networks. We note that most such systems are subject to multiple structural and functional constraints, e.g., minimizing the average p…
Emergence of self-sustained patterns in small-world excitable media
Sitabhra Sinha, Jari Saramaki, Kimmo Kaski
Motivated by recent observations that long-range connections (LRC) play a role in various brain phenomena, we have observed two distinct dynamical transitions in the activity of ex…