3 papers
math.DS2024
Limit cycles of piecewise smooth differential systems with nilpotent center and linear saddle
Nanasaheb Phatangare, Krishnat Masalkar, Subhash Kendre
In this paper, we study the number of limit cycles of a piecewise smooth differential system separated by one or two parallel straight lines or rays formed by a nilpotent center or…
math.DS2024
Limit cycles of piecewise smooth differential systems of the type nonlinear center and saddle
Nanasaheb Phatangare, Krishnat Masalkar, Subhash Kendre
Piecewise linear differential systems separated by two parallel straight lines of the type of center-center-Hamiltonian saddle and the center-Hamiltonian saddle-Hamiltonian saddle…
math.NT2023
Ramanujan Theta Function Identities and Quadratic Numbers
Hemant Masal, Hemant Bhate, Subhash Kendre
Eigenvectors of the discrete Fourier transform can be expressed using Ramanujan theta functions. New theta function identities, Ramanujan theta function identities, and generating…