Stability of Solutions and Continuity of Solution Maps of Tensor Complementarity Problems

2019 ◽  
Vol 36 (02) ◽  
pp. 1940002 ◽  
Author(s):  
Xue-Li Bai ◽  
Zheng-Hai Huang ◽  
Xia Li

Recently, tensor complementarity problems are becoming more and more popular. There are various literatures considering all kinds of properties of tensor complementarity problems, however, the stability of solutions and the continuity of solution maps are rarely mentioned so far. In the present paper, we study these two properties for tensor complementarity problems. We propose conditions under which the solutions of tensor complementarity problems are stable with the help of the tensor variational inequality or structured tensors. We also show that the solution maps of tensor complementarity problems are upper semicontinuous with the involved tensors being [Formula: see text]-tensors. Meanwhile, we establish the relationship between the uniqueness of solutions and the continuity of solution maps of tensor complementarity problems.

2020 ◽  
Vol 2020 ◽  
pp. 1-10
Author(s):  
Qingyu Zeng ◽  
Jun He ◽  
Yanmin Liu

In this paper, some properties of structured rectangular tensors are presented, and the relationship among these structured rectangular tensors is also given. It is shown that all the V-singular values of rectangular P-tensors are positive. Some necessary and/or sufficient conditions for a rectangular tensor to be a rectangular P-tensor are also obtained. A new subclass of rectangular tensors, which is called rectangular S-tensors, is introduced and it is proved that rectangular S-tensors can be defined by the feasible vectors of the corresponding rectangular tensor complementarity problem.


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