‘Insider’ gets energy secretary nomination

Secretary of Energy Advisory Board

SEAB has approved the report of the Task Force on CO2 Utilization at its public meeting of December 12, 2016 and is hereby transmitting it to you. Your charge to the Task Force was to describe a framework for a DOE RD&D program on CO2 utilization technologies that has the potential to reduce CO2 emissions and/or introduce negative emissions at the gigatonne scale. The Task Force, under the lead...

KETAMINE Nomination 1.0 BASIS OF NOMINATION

The secretary returns

In the online random-arrival model, an algorithm receives a sequence of n requests that arrive in a random order. The algorithm is expected to make an irrevocable decision with regard to each request based only on the observed history. We consider the following natural extension of this model: each request arrives k times, and the arrival order is a random permutation of the kn arrivals; the al...

Matroid Secretary Problems

In 1963, Dynkin introduced the secretary problem [6]. In this problem, an algorithm is presented with n positive values, one by one. After each value, the algorithm must either accept or reject the value, where all decisions are final. The algorithm can only pick one value, and the goal is to pick the maximum value in the sequence. The name for this problem arises from a situation where n candi...

The Submodular Secretary Problem

Online auction is an essence of many modern markets, particularly networked markets, in which information about goods, agents, and outcomes is revealed over a period of time, and the agents must make irrevocable decisions without knowing future information. Optimal stopping theory, especially the classic secretary problem, is a powerful tool for analyzing such online scenarios which generally r...