Pathological Subgradient Dynamics

Pathological Subgradient Dynamics
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DOI:
10.1137/19m1298147
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发表时间:
2019-10
期刊:
SIAM J. Optim.
影响因子:
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通讯作者:
A. Daniilidis;D. Drusvyatskiy
A. Daniilidis;D. Drusvyatskiy
中科院分区:
其他
文献类型:
--
作者:
A. Daniilidis;D. Drusvyatskiy

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我们构造了在连续时间和离散时间具有病态次梯度动力学的Lipschitz连续函数的例子。在这两种情况下,迭代生成有界轨迹,但未能检测到函数的任何(广义)临界点。
We construct examples of Lipschitz continuous functions, with pathological subgradient dynamics both in continuous and discrete time. In both settings, the iterates generate bounded trajectories, and yet fail to detect any (generalized) critical points of the function.