totally positive matrices
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scholarly journals Sequence Characterization of 3-Dimensional Riordan Arrays and Some Application

2019 ◽  
Vol 74 (4) ◽  
Author(s):  
Roksana Słowik
Keyword(s):  
Sequence Characterization ◽  
3 Dimensional ◽  
Riordan Arrays ◽  
Totally Positive ◽  
Positive Matrices ◽  
Totally Positive Matrices

Abstract We propose the characterization of 3-dimensional Riordan arrays with use of three sequences that is analogous to the representation of 2-dimensional Riordan arrays with use of A and Z-sequence. We also suggest an application of this representation for finding totally positive matrices.

scholarly journals Tropical totally positive matrices

2018 ◽  
Vol 515 ◽  
pp. 511-544 ◽  
Author(s):  
Gaubert Stéphane ◽  
Niv Adi
Keyword(s):  
Totally Positive ◽  
Positive Matrices ◽  
Totally Positive Matrices

Full spark frames and totally positive matrices

2018 ◽  
Vol 67 (8) ◽  
pp. 1685-1700
Author(s):  
Lj. Arambašić ◽  
D. Bakić
Keyword(s):  
Totally Positive ◽  
Positive Matrices ◽  
Totally Positive Matrices
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