3 papers
math.OC2025
Gram-like matrix preserving extensions and completions of noncommutative polynomials
Arijit Mukherjee, Arindam Sutradhar
Given a positive noncommutative polynomial , equivalently a sum of Hermitian squares (SOHS), there exists a positive semidefinite Gram matrix that encrypts all the structural es…
math.AG2024
A representation theoretic classification of multiprojective spaces
Arijit Mukherjee
For a partition of a positive integer , consider the associated multiprojective space . That multiprojecti…
math.RA2024
Dynamics of two by two symmetric matrices of trace zero
Arijit Mukherjee
In this paper, we describe the entire structure of the vector space of all symmetric matrices of size having trace zero. This is motivated by the geometrical interpre…