2024-03-28T23:52:13Z
https://oai.zbmath.org/v1/
oai:zbmath.org:7202866
2020-05-21T21:53:47Z
05
15
Liu, Yue
2020
7202866
English
Elsevier (North-Holland), Amsterdam
https://zbmath.org/07202866
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Discrete Math. 343, No. 7, Article ID 111889, 6 p. (2020).
05C20; 05C38; 15B35; 15B48
Forbidden structures for ray nonsingularity among cycle tree matrices without positive cycles
j