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Optimality in robot motion [PDF]
Communications of the ACM, 2014 Exploring the distinction between an optimal robot motion and a robot motion resulting from the application of optimization techniques.
Laumond, Jean-Paul +2 more
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Physical Review Letters, 2022 9 pages, 4 figures. Accompanying paper of arXiv:2111.12130.
Kamil Korzekwa, Matteo Lostaglio
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On the Optimality of Optimal Income Taxation [PDF]
SSRN Electronic Journal, 2010 Abstract The Mirrleesian model of income taxation restricts attention to simple allocation mechanism with no strategic interdependence, i.e., the optimal labor supply of any one individual does not depend on the labor supply of others. It has been argued by Piketty (2009) [12] that this restriction is substantial because more sophisticated ...
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Joint Uplink and Downlink Resource Allocation for D2D Communications System
Future Internet, 2019 In cellular networks, device-to-device communications can increase the spectrum efficiency, but some conventional schemes only consider uplink or downlink resource allocation.
Xin Song +4 more
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When is Assortment Optimization Optimal?
Proceedings of the 23rd ACM Conference on Economics and Computation, 2022 Assortment optimization concerns the problem of selling items with fixed prices to a buyer who will purchase at most one. Typically, retailers select a subset of items, corresponding to an “assortment” of brands to carry, and make each selected item available for purchase at its brand-recommended price.
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Is Optimal Monetary Policy Always Optimal? [PDF]
SSRN Electronic Journal, 2015 No. And not only for the reason you think. In a world with multiple inefficiencies the single policy tool the central bank has control over will not undo all inefficiencies; this is well understood. We argue that the world is better characterized by multiple inefficiencies and multiple policy makers with various objectives.
Davig, Troy, Gurkaynak, Refet S.
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SSRN Electronic Journal, 2012 The teacher–student relationship is modeled as an agency problem, where teachers are concerned with human capital formation and students with ability signaling. We distinguish between two cases depending on whether in ability inference the job market can or cannot observe the grading rule applied. We show that many empirical grading patterns, including
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Energy Efficient Power Allocation for Downlink NOMA Heterogeneous Networks With Imperfect CSI
IEEE Access, 2019 Non-orthogonal multiple access (NOMA) is a promising emerging technology that can significantly improve the utilization of spectrum and system capacity in heterogeneous wireless networks.
Xin Song +4 more
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Secure Communication for Uplink Cellular Networks Assisted with Full-Duplex Device-to-Device User
Future Internet, 2020 In this paper, the secure communication based on the full-duplex (FD) device-to-device (D2D) in cellular networks is proposed. For the proposed scheme, the novel model is established, in which a D2D user is played as a relay operating in FD mode to ...
Xin Song, Lin Xia, Siyang Xu, Yue Wang
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Development of spatially variant photonic crystals to control light in the near-infrared spectrum
Scientific Reports, 2022 Spatially Variant Photonic Crystals (SVPCs) have shown the ability to control the propagation and direction of light in the near-infrared spectrum. Using a novel approach for simplified modeling and fabrication techniques, we designed unique, spatially ...
Andrew Volk +5 more
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