Thông tin tài liệu
Nhan đề : | Maximum relative distance between real rank-two and rank-one tensors |
Tác giả : | Henrik, Eisenmann André, Uschmajew |
Năm xuất bản : | 2022 |
Nhà xuất bản : | Springer |
Tóm tắt : | It is shown that the relative distance in Frobenius norm of a real symmetric order-d tensor of rank-two to its best rank-one approximation is upper bounded by 1−(1−1/d)d−1−−−−−−−−−−−−−√. This is achieved by determining the minimal possible ratio between spectral and Frobenius norm for symmetric tensors of border rank two, which equals (1−1/d)(d−1)/2. These bounds are also verified for arbitrary real rank-two tensors by reducing to the symmetric case. |
Mô tả: | CC BY |
URI: | https://link.springer.com/article/10.1007/s10231-022-01268-w https://dlib.phenikaa-uni.edu.vn/handle/PNK/7449 |
Bộ sưu tập | OER - Khoa học Tự nhiên |
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