中国科学院数学与系统科学研究院期刊网
Embedding Cross-Dimensional Vector Space into $\ell^{2}$
XUE Shengli, ZHANG Lijun, XIE Zhiqi, YAN Weijun, ZHANG Kuize
Journal of Systems Science and Complexity . 2023, (6): 2309 -2324 .  DOI: 10.1007/s11424-023-2303-9