Kerimbayeva, A. 2026. MATHEMATICAL MODEL OF A NEW POST-QUANTUM CRYPTOGRAPHIC ALGORITHM FOR DIGITAL SIGNATURE. Bulletin of Abai KazNPU. Series of Physical and Mathematical sciences. 94, 2 (Jun. 2026), 231–247. DOI:https://doi.org/10.51889/2959-5894.2026.94.2.020.