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Academy of Mathematics and Systems Science, CAS Colloquia & Seminars：Lower Bounds and Accelerated Algorithms in Distributed Stochastic Optimization with Communication Compression
通信压缩 分布式 随机优化 下界 加速算法
2023/11/29
Communication compression is an essential strategy for alleviating communication overhead by reducing the volume of information exchanged between computing nodes in large-scale distributed stochastic ...
Putting clear bounds on uncertainty（图）
不确定性 界限 计算机科学 模糊图像
2023/6/20
In science and technology, there has been a long and steady drive toward improving the accuracy of measurements of all kinds, along with parallel efforts to enhance the resolution of images. An accomp...
Multiple Target Counting and Tracking using Binary Proximity Sensors: Bounds, Coloring, and Filter
Multiple Target Counting Tracking using Binary Proximity Sensors Bounds Coloring Filter
2016/1/22
Binary proximity sensors (BPS) provide extremely low cost and privacy preserving features for tracking mobile targets in smart environment, but great challenges are posed for track-ing multiple target...
Tight security bounds for Multiple Encryption
Tight security bounds for Multiple Encryption
2016/1/22
Multiple encryption—the practice of composing a blockcipher several times with itself under independent keys—has received considerable attention of late from the standpoint of provable security.Despit...
Bounds on maximum throughput for digital communications with finite-precision and amplitude constraints
Digital communications data rate linear impulse response
2015/8/12
The problem of finding the maximum achievable data rate over a linear time-invariant channel is considered under constraints different from those typically assumed. The limiting factor is taken to be ...
Bounds on Capacity and Minimum Energy-Per-Bit for AWGN Relay Channels
Additive white Gaussian noise (AWGN) channels channel capacity minimum energy-per-bit relay channel
2015/8/12
Upper and lower bounds on the capacity and minimum energy-per-bit for general additive white Gaussian noise (AWGN) and frequency-division AWGN (FD-AWGN) relay channel models are established. First, th...
Likelihood bounds for constrained estimation with uncertainty
Estimate the linear model model uncertainty likelihood estimation the second-order cone programming
2015/8/10
This paper addresses the problem of finding bounds on the optimal maximum a posteriori (or maximum likelihood) estimate in a linear model under the presence of model uncertainty. We introduce the nove...
Evaluation of Signal in Space Error Bounds to Support Aviation Integrity
Evaluation of Signal in Space Error Bounds to Support Aviation Integrity
2015/6/25
The modernization of GPS and the addition of new GNSS constellations bring forth a multitude of new signals with new capabilities. One of the intended purposes of some of these new signals is the prov...
Evaluation of Signal in Space Error Bounds to Support Aviation Integrity
Evaluation Signal Space Error Bounds Support Aviation Integrity
2015/6/25
In order to make use of signals over which they have no control, aviation authorities must have a clear understanding of the commitments and capabilities of these new signals. This paper proposes equa...
Bounds on Service Quality for Networks Subject to Augmentation and Attack
Network Vulnerability Attack
2014/12/18
Assessing a network's vulnerability to attack and random failure is a difficult and important problem that changes with network application and representation. We furnish algorithms that bound the rob...
Physical Information Theoretic Bounds on Energy Costs for Error Correction
Error Correction Linear (n k) code Heat Dissipation Generalized Efficacy Measures Information Loss Fundamental Lower Bounds
2014/12/8
With diminishing returns in performance with scaling of traditional transistor devices, there is a growing need to understand and improve potential replacements technologies. Sufficient reliability ha...
Scheduling Heuristics for Maximizing the Output Quality of IRIS Task Graphs in Multiprocessor Environment with Time and Energy Bounds
precedence constraints computational load cost functions reward service dynamic voltage scaling
2014/12/8
Embedded real time applications are often subject to time and energy constraints. Real time applications are usually characterized by logically separable set of tasks with precedence constraints. The ...
Heat Dissipation Bounds for Nanocomputing: Methodology and Applications
Heat Dissipation Information Theory Nanoelectronics
2014/11/7
Heat dissipation is a critical challenge facing the realization of emerging nanocomputing technologies. There are different components of this dissipation, and a part of it comes from the unavoidable ...
Fundamental bounds on decay rates in asymmetric single-mode optical resonators
decay rate asymmetric single-mode optical resonators
2015/8/7
We derive tight upper and lower bounds of the ratio between decay rates to two ports from a single resonance exhibiting Fano interference, based on a general temporal coupled-mode theory formalism. Th...
Lower Bounds for Testing Computability by Small Width OBDDs
Lower Bounds for Testing Computability OBDDs
2012/12/4
We consider the problem of testing whether a function f : {0, 1}n → {0, 1} is computable by a read-once, width-2 ordered binary decision diagram (OBDD), also known as a branching program. This problem...