On regularity of diagonally positive quadratic doubly stochastic operators
The classical Perron–Frobenius theorem says that a trajectory of a linear stochastic operator associated with a positive square stochastic matrix always converges to a unique fixed point. In general, an analogy of the Perron–Frobenius theorem does not hold for a quadratic stochastic operator associa...
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| Format: | Article |
| Language: | English English |
| Published: |
Springer International Publishing AG
2017
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| Online Access: | http://irep.iium.edu.my/59920/1/Regularity%20QDSO%20---RiM.pdf http://irep.iium.edu.my/59920/7/On%20regularity%20of%20diagonally%20positive%20quadratic%20doubly%20stochastic%20operators.pdf http://irep.iium.edu.my/59920/ https://link.springer.com/article/10.1007/s00025-017-0723-3 |
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| Institution: | Universiti Islam Antarabangsa Malaysia |
| Language: | English English |
| Summary: | The classical Perron–Frobenius theorem says that a trajectory of a linear stochastic operator associated with a positive square stochastic matrix always converges to a unique fixed point. In general, an analogy of the Perron–Frobenius theorem does not hold for a quadratic stochastic operator associated with a positive cubic stochastic matrix. Namely, its trajectories may converge to different fixed points depending on initial points or may not converge at all. In this paper, we show regularity of quadratic doubly stochastic operators associated with diagonally positive cubic stochastic matrices. This is a nonlinear analogy of the Perron–Frobenius theorem for positive doubly stochastic matrices. |
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