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R. China"}]},{"given":"Buyang","family":"Li","sequence":"additional","affiliation":[{"name":"Department of Applied Mathematics , The Hong Kong Polytechnic University , Hung Hom, Kowloon , Hong Kong , P. R. China"}]},{"given":"Jun","family":"Zou","sequence":"additional","affiliation":[{"name":"Department of Mathematics , The Chinese University of Hong Kong , Shatin, N.T. , Hong Kong , P. R. China"}]}],"member":"374","published-online":{"date-parts":[[2022,5,25]]},"reference":[{"key":"2023033112440931428_j_cmam-2022-0057_ref_001","unstructured":"R. A. Adams and J. J. F. Fournier,\nSobolev Spaces,\nPure Appl. Math. (Amsterdam) 140,\nElsevier, Amsterdam, 2003."},{"key":"2023033112440931428_j_cmam-2022-0057_ref_002","doi-asserted-by":"crossref","unstructured":"G. D. Akrivis,\nFinite difference discretization of the cubic Schr\u00f6dinger equation,\nIMA J. Numer. 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