Modelling the performance of delivery vehicles across urban micro-regions to accelerate the transition to cargo-bike logistics

no code implementations • 30 Jan 2023 • Max Schrader, Navish Kumar, Nicolas Collignon, Esben Sørig, Soonmyeong Yoon, Akash Srivastava, Kai Xu, Maria Astefanoaei

Light goods vehicles (LGV) used extensively in the last mile of delivery are one of the leading polluters in cities.

Bounds for the extremal eigenvalues of gain Laplacian matrices

1 code implementation • 15 Feb 2021 • M. Rajesh Kannan, Navish Kumar, Shivaramakrishna Pragada

We provide several lower and upper bounds for extremal eigenvalues of $\mathbf{L}(\Phi)$ in terms of different graph parameters such as the number of edges, vertex degrees, and average $2$-degrees.

Combinatorics 05C22(primary), 05C50(secondary)

Analyzing the hate and counter speech accounts on Twitter

no code implementations • 6 Dec 2018 • Binny Mathew, Navish Kumar, Ravina, Pawan Goyal, Animesh Mukherjee

We also build a supervised model for classifying the hateful and counterspeech accounts on Twitter and obtain an F-score of 0. 77.

Social and Information Networks