3 papers
physics.flu-dyn2025
Assessment of Gradient-based Reconstruction and Artificial Diffusivity Methods in Simulating High-Speed Compressible Flows
R. R. Kumar, S. Saini, N. R. Vadlamani +1
The two promising methods for capturing high-speed flows are local artificial diffusivity (LAD) and centralised gradient-based reconstruction (C-GBR), the former being computationa…
q-fin.ST2025
Causality Analysis of COVID-19 Induced Crashes in Stock and Commodity Markets: A Topological Perspective
Buddha Nath Sharma, Anish Rai, SR Luwang +2
The paper presents a comprehensive causality analysis of the US stock and commodity markets during the COVID-19 crash. The dynamics of different sectors are also compared. We use T…
astro-ph.GA2024
The Second Case of a Major Merger Triggering a Starburst in a Green Pea Galaxy
S. Purkayastha, N. Kanekar, S. Kumari +4
We have used the Karl G. Jansky Very Large Array (VLA) to map H{\sc i} 21\,cm emission from the Green Pea galaxy GP~J1148+2546 at , only the second measurement of t…