activity
20092023
most citedHierarchical communities in the walnut structure of the Japanese production network

46 citations · 202 across the 20 of their papers we have counts for

collaborators

20 papers

physics.soc-ph2023★ 1 cited

Embedding and correlation tensor for XRP transaction networks

Abhijit Chakraborty, Tetsuo Hatsuda, Yuichi Ikeda

Cryptoassets are growing rapidly worldwide. One of the large cap cryptoassets is XRP. In this article, we focus on analyzing transaction data for the 2017-2018 period that consist…

cs.CR2022★ 1 cited

Hodge Decomposition of the Remittance Network on the XRP ledger in the Price Hike of January 2018

Yuichi Ikeda, Abhijit Chakraborty

This study analyzes the remittance transaction recorded on the XRP ledger for ETH and USD from July 2017 to Jun 2018, including the bubble period in early 2018. Using the Hodge dec…

physics.soc-ph2022★ 10 cited

Projecting XRP price burst by correlation tensor spectra of transaction networks

Abhijit Chakraborty, Tetsuo Hatsuda, Yuichi Ikeda

Cryptoassets are becoming essential in the digital economy era. XRP is one of the large market cap cryptoassets. Here, we develop a novel method of correlation tensor spectra for t…

econ.GN2021

Inequality in economic shock exposures across the global firm-level supply network

Abhijit Chakraborty, Tobias Reisch, Christian Diem +1

For centuries, national economies created wealth by engaging in international trade and production. The resulting international supply networks not only increase wealth for countri…

q-fin.ST2020★ 10 cited

Uncovering the hierarchical structure of the international FOREX market by using similarity metric between the fluctuation distributions of currencies

Abhijit Chakraborty, Soumya Easwaran, Sitabhra Sinha

The decentralized international market of currency trading is a prototypical complex system having a highly heterogeneous composition. To understand the hierarchical structure rela…

physics.soc-ph2020★ 20 cited

Bow-tie structure and community identification of global supply chain network

Abhijit Chakraborty, Yuichi Ikeda

We study on topological properties of global supply chain network in terms of degree distribution, hierarchical structure, and degree-degree correlation in the global supply chain…

econ.GN2020★ 20 cited

Economic complexity of prefectures in Japan

Abhijit Chakraborty, Hiroyasu Inoue, Yoshi Fujiwara

Every nation prioritizes the inclusive economic growth and development of all regions. However, we observe that economic activities are clustered in space, which results in a dispa…

econ.GN2019

Identification of Key Companies for International Profit Shifting in the Global Ownership Network

Tembo Nakamoto, Abhijit Chakraborty, Yuichi Ikeda

In the global economy, the intermediate companies owned by multinational corporations are becoming an important policy issue as they are likely to cause international profit shifti…

gr-qc2019★ 23 cited

Dynamical Systems Analysis of K-essence Model

Abhijit Chakraborty, Anandamohan Ghosh, Narayan Banerjee

In the present work we investigate the stability of the k-essence models allowing upto quadratic terms of the kinetic energy. The system of field equations is written as an autonom…

physics.soc-ph2019★ 6 cited

Exponential random graph models for the Japanese bipartite network of banks and firms

Abhijit Chakraborty, Hazem Krichene, Hiroyasu Inoue +1

We use the exponential random graph models to understand the network structure and its generative process for the Japanese bipartite network of banks and firms. One of the well kno…

gr-qc2018★ 4 cited

Thawing vs. Tracker Solutions: A Dynamical Systems Approach

Abhijit Chakraborty, Narayan Banerjee, Anandamohan Ghosh

A comparative study of thawing and tracking models of dark energy is carried out with the help of a dynamical systems analysis. It is found that both of them have stable solutions…

physics.soc-ph2018★ 46 cited

Hierarchical communities in the walnut structure of the Japanese production network

Abhijit Chakraborty, Yuichi Kichikawa, Takashi Iino +4

This paper studies the structure of the Japanese production network, which includes one million firms and five million supplier-customer links. This study finds that this network f…

physics.soc-ph2017★ 16 cited

Characterization of the community structure in a large-scale production network in Japan

Abhijit Chakraborty, Hazem Krichene, Hiroyasu Inoue +1

Inter-firm organizations, which play a driving role in the economy of a country, can be represented in the form of a customer-supplier network. Such a network exhibits a heavy-tail…

cond-mat.stat-mech2016★ 1 cited

Jamming in a lattice model of stochastically interacting agents with a field of view

Shakti N. Menon, Trilochan Bagarti, Abhijit Chakraborty

We study the collective dynamics of a lattice model of stochastically interacting agents with a weighted field of vision. We assume that agents preferentially interact with neighbo…

physics.geo-ph2016★ 12 cited

Network similarity and statistical analysis of earthquake seismic data

Krishanu Deyasi, Abhijit Chakraborty, Anirban Banerjee

We study the structural similarity of earthquake networks constructed from seismic catalogs of different geographical regions. A hierarchical clustering of underlying undirected ea…

q-fin.ST2016

Deviations from universality in the fluctuation behavior of a heterogeneous complex system reveal intrinsic properties of components: The case of the international currency market

Abhijit Chakraborty, Soumya Easwaran, Sitabhra Sinha

Identifying behavior that is relatively invariant under different conditions is a challenging task in far-from-equilibrium complex systems. As an example of how the existence of a…

physics.bio-ph2015★ 5 cited

Flocking at the edge of chaos

Kunal Bhattacharya, Abhijit Chakraborty

Recent investigations have provided important insights into the complex structure and dynamics of collectively moving flocks of living organisms. Two intriguing observations are, s…

cond-mat.dis-nn2014★ 3 cited

Space-filling Percolation

Abhijit Chakraborty, S. S. Manna

A region of two-dimensional space has been filled randomly with large number of growing circular discs allowing only a `slight' overlapping among them just before their growth stop…

q-fin.GN2011★ 3 cited

Conservative self-organized extremal model for wealth distribution

Abhijit Chakraborty, G. Mukherjee, S. S. Manna

We present a detailed numerical analysis of the modified version of a conservative self-organized extremal model introduced by Pianegonda et. al. for the distribution of wealth of…

q-fin.GN2009★ 21 cited

Weighted Trade Network in a Model of Preferential Bipartite Transactions

Abhijit Chakraborty, S. S. Manna

Using a model of wealth distribution where traders are characterized by quenched random saving propensities and trade among themselves by bipartite transactions, we mimic the enhan…