منابع مشابه
Charcot's famous secretaries.
At the pinnacle of his career, Professor Charcot had four secretaries: Charles Féré, Pierre Marie, Georges Gilles de la Tourette and Georges Guinon. They helped the great founder of neurology with his activities at La Salpêtrière Hospital and his private clinic, examining patients before he made the final diagnosis.
متن کاملMatroid Secretaries
We prove that for every proper minor-closed class M of Fp-representable matroids, there exists a O(1)-competitive algorithm for the matroid secretary problem on M. This result relies on the extremely powerful matroid minor structure theory being developed by Geelen, Gerards and Whittle. We also note that for asymptotically almost all matroids, the matroid secretary algorithm that selects a rand...
متن کاملPartially ordered secretaries
The elements of a finite nonempty partially ordered set are exposed at independent uniform times in [0,1] to a selector who, at any given time, can see the structure of the induced partial order on the exposed elements. The selector’s task is to choose online a maximal element. This generalizes the classical linear order secretary problem, for which it is known that the selector can succeed wit...
متن کاملTruthful Secretaries with Budgets
We study online auction settings in which agents arrive and depart dynamically in a random (secretary) order, and each agent’s private type consists of the agent’s arrival and departure times, value and budget. We consider multi-unit auctions with additive agents for the allocation of both divisible and indivisible items. For both settings, we devise truthful mechanisms that give a constant app...
متن کاملFamous.
A 62-year-old woman with multiple sclerosis experienced painless loss of vision in both eyes after starting fingolimod. Fundus examination revealed bilateral macular edema confirmed by optical coherence tomography. Fingolimod was discontinued, and a topical nonsteroidal inflammatory drug and corticosteroid were initiated. Within 2 months, vision returned to baseline with complete resolution of ...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Arquivos de Neuro-Psiquiatria
سال: 2017
ISSN: 0004-282X
DOI: 10.1590/0004-282x20170034