Search Results - "Yihong Wu"
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1
Wasserstein Continuity of Entropy and Outer Bounds for Interference Channels
Published in IEEE transactions on information theory (01-07-2016)“…It is shown that under suitable regularity conditions, differential entropy is O(√n)-Lipschitz as a function of probability distributions on Ilin with respect…”
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2
Minimax Rates of Entropy Estimation on Large Alphabets via Best Polynomial Approximation
Published in IEEE transactions on information theory (01-06-2016)“…Consider the problem of estimating the Shannon entropy of a distribution over k elements from n independent samples. We show that the minimax mean-square error…”
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3
Achieving Exact Cluster Recovery Threshold via Semidefinite Programming
Published in IEEE transactions on information theory (01-05-2016)“…The binary symmetric stochastic block model deals with a random graph of n vertices partitioned into two equal-sized clusters, such that each pair of vertices…”
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4
Achieving Exact Cluster Recovery Threshold via Semidefinite Programming: Extensions
Published in IEEE transactions on information theory (01-10-2016)“…Resolving a conjecture of Abbe, Bandeira, and Hall, the authors have recently shown that the semidefinite programming (SDP) relaxation of the maximum…”
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5
Information Limits for Recovering a Hidden Community
Published in IEEE transactions on information theory (01-08-2017)“…We study the problem of recovering a hidden community of cardinality K from an n × n symmetric data matrix A, where for distinct indices i, j, A ij ~ P if i, j…”
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Dissipation of Information in Channels With Input Constraints
Published in IEEE transactions on information theory (01-01-2016)“…One of the basic tenets in information theory, the data processing inequality states that the output divergence does not exceed the input divergence for any…”
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7
Equivalence of Additive-Combinatorial Linear Inequalities for Shannon Entropy and Differential Entropy
Published in IEEE transactions on information theory (01-05-2018)“…This paper addresses the correspondence between linear inequalities for Shannon entropy and differential entropy for sums of independent group-valued random…”
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8
Hysteresis of Electronic Transport in Graphene Transistors
Published in ACS nano (28-12-2010)“…Graphene field effect transistors commonly comprise graphene flakes lying on SiO2 surfaces. The gate-voltage dependent conductance shows hysteresis depending…”
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9
Evidence for a Coronal Shock Wave Origin for Relativistic Protons Producing Solar Gamma-Rays and Observed by Neutron Monitors at Earth
Published in The Astrophysical journal (01-04-2020)“…We study the solar eruptive event on 2017 September 10 that produced long-lasting >100 MeV γ-ray emission and a ground level enhancement (GLE72). The origin of…”
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10
Room temperature magnetization switching in topological insulator-ferromagnet heterostructures by spin-orbit torques
Published in Nature communications (08-11-2017)“…Topological insulators with spin-momentum-locked topological surface states are expected to exhibit a giant spin-orbit torque in the topological…”
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11
Magnetization switching in polycrystalline Mn3Sn thin film induced by self-generated spin-polarized current
Published in Nature communications (30-09-2022)“…Electrical manipulation of spins is essential to design state-of-the-art spintronic devices and commonly relies on the spin current injected from a second…”
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12
Optimal Phase Transitions in Compressed Sensing
Published in IEEE transactions on information theory (01-10-2012)“…Compressed sensing deals with efficient recovery of analog signals from linear encodings. This paper presents a statistical study of compressed sensing by…”
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13
Functional Properties of Minimum Mean-Square Error and Mutual Information
Published in IEEE transactions on information theory (01-03-2012)“…In addition to exploring its various regularity properties, we show that the minimum mean-square error (MMSE) is a concave functional of the input-output joint…”
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14
Chemisorption-induced n-doping of MoS2 by oxygen
Published in Applied physics letters (08-02-2016)“…Both chemisorption and physisorption affect the electronic properties of two-dimensional materials, such as MoS2, but it remains a challenge to probe their…”
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15
Angular Position Sensor Based on Anisotropic Magnetoresistive and Anomalous Nernst Effect
Published in Sensors (Basel, Switzerland) (01-02-2024)“…Magnetic position sensors have extensive applications in various industrial sectors and consumer products. However, measuring angles in the full range of…”
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16
Rényi Information Dimension: Fundamental Limits of Almost Lossless Analog Compression
Published in IEEE transactions on information theory (01-08-2010)“…In Shannon theory, lossless source coding deals with the optimal compression of discrete sources. Compressed sensing is a lossless coding strategy for analog…”
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17
Fast Localization in Large-Scale Environments Using Supervised Indexing of Binary Features
Published in IEEE transactions on image processing (01-01-2016)“…The essence of image-based localization lies in matching 2D key points in the query image and 3D points in the database. State-of-the-art methods mostly employ…”
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18
Magnetization switching by magnon-mediated spin torque through an antiferromagnetic insulator
Published in Science (American Association for the Advancement of Science) (29-11-2019)“…Widespread applications of magnetic devices require an efficient means to manipulate the local magnetization. One mechanism is the electrical spin-transfer…”
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19
Optimal Detection of Sparse Mixtures Against a Given Null Distribution
Published in IEEE transactions on information theory (01-04-2014)“…Detection of sparse signals arises in a wide range of modern scientific studies. The focus so far has been mainly on Gaussian mixture models. In this paper, we…”
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20
Experimental investigation of breaching process of moraine dam with different breach-section shapes
Published in Environmental earth sciences (01-04-2024)“…Moraine dam breaches occur suddenly and have severe consequences. However, breach-process prediction is challenging. Breach-notch excavation is crucial for…”
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