@article{sharma_nayak_2026,  title={THE TIGHTNESS OF STRENGTHENED SEMIDEFINITE RELAXATIONS FOR THE BOOLEAN QUADRATIC PROGRAMMING PROBLEM WITH GENERALIZED UPPER BOUND CONSTRAINTS},  volume={46},  ISSN={0101-7438},  url={https://doi.org/10.1590/0101-7438.2026.046.00300726},  DOI={10.1590/0101-7438.2026.046.00300726},  journal={Pesquisa Operacional},  publisher={Sociedade Brasileira de Pesquisa Operacional},  author={Sharma, Hitarth and Nayak, Rupaj Kumar},  year={2026},  pages={e300726} }