Linearity and solvability in multicast networks
Linearity and solvability in multicast networks
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DOI:
10.1109/tit.2004.834751
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发表时间:
2004-10
影响因子:
2.5
通讯作者:
R. Dougherty;C. Freiling;K. Zeger
中科院分区:
文献类型:
--
作者:
R. Dougherty;C. Freiling;K. Zeger
It is known that for every solvable multicast network, there exists a large enough finite-field alphabet such that a scalar linear solution exists. We prove: i) every binary solvable multicast network with at most two messages has a binary scalar linear solution; ii) for more than two messages, not every binary solvable multicast network has a binary scalar linear solution; iii) a multicast network that has a solution for a given alphabet might not have a solution for all larger alphabets.