qwen3-1.5b-pmtp (POLYDIM / PMTP Stiefel Manifold Adapter)

• Family: Qwen-Alibaba
• Base Model: Qwen/Qwen3-1.5B-Instruct
• Ollama Tag: qwen3:1.5b
• Role: Minimum-Footprint Student Starter: SOTA Ultralight Reasoning for Any CPU (512MB RAM)
• License: Qwen Community License Agreement
• Author: Ariel García Traba — POLYDIM-EINSOF Research Initiative
• DOI: https://doi.org/10.5281/zenodo.24013070

Architecture

• Manifold: Principal Subspace St(2048, 1024) on S^(1023)
• Stiefel Defect: 6.67e-09 (FP64 Neumaier)
• Silicon: AVX2 / PmtpShmBus / Zero-Worm SLAB_ID protocol
• Theorems: 1,740 formal theorems (PostgreSQL 16 polydim_vec_db)