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Academy of Mathematics and Systems Science, CAS Colloquia & Seminars：Some Results on Partial Inverse Spanning Tree Problems
部分逆生成树 有权函数 非循环边子集
2023/11/6
Given a graph G with weight function w and an acyclic edge subset E', the partial inverse spanning tree problem on (G, w; E') is to find a new weight function w* so that E' can be extended to a maximu...
Academy of Mathematics and Systems Science, CAS Colloquia & Seminars：mcGP: mesh-clustered Gaussian process emulator for partial differential equation systems
mcGP 偏微分方程组 网格聚类 高斯过程 仿真器
2023/4/18
Partial differential equations (PDEs) have become an essential tool for modeling complex physical systems. Such equations are typically solved numerically via mesh-based methods, such as the finite el...
Academy of Mathematics and Systems Science, CAS Colloquia & Seminars：Carleman estimates for some stochastic partial differential equations and applications
随机 偏微分方程 卡勒曼估计
2023/5/5
This talk is concerned with the controllability, observability and inverse problems for two types of stochastic partial differential equations, which are degenerate/singular stochastic parabolic equat...
Academy of Mathematics and Systems Science, CAS Colloquia & Seminars：Quantum algorithms for nonlinear partial differential equations
非线性 偏微分方程 量子算法
2023/5/16
Nonlinear partial differential equations (PDEs) are crucial to modelling important problems in science but they are computationally expensive and suffer from the curse of dimensionality. Since quantum...
Comparison of partial least squares-discriminant analysis, support vector machines and deep neural networks for spectrometric classification of seed vigour in a broad range of tree species
least squares-discriminant analysis spectrometric classification seed tree species
2023/6/5
Seed vigour significantly influences the seed production and plant regeneration performance. The capability of NIR spectroscopy to identify seed vigour across multiple tree species rapidly and cost-ef...
Information ratio of an access structure is an important measure for efficiency of the best secret sharing scheme realizing it. The most common notion of secret sharing security is that of total (perf...
Strong Leakage Resilient Encryption by Hiding Partial Ciphertext
Leakage Resillient Encryption Steal Resillient Encryption Secret Sharing
2018/11/16
Leakage-resilient encryption is a powerful tool to protect data confidentiality against side channel attacks. In this work, we introduce a new and strong leakage setting to counter backdoor (or trojan...
Partial Key Exposure in Ring-LWE-Based Cryptosystems: Attacks and Resilience
public-key cryptography lattice-based cryptography leakage resilience
2018/11/12
Introduce the search and decision Leaky-RLWE assumptions (Leaky-SRLWE, Leaky-DRLWE), to formalize the hardness of search/decision RLWE under leakage of some fraction of coordinates of the NTT transfor...
Linear Equivalence of Block Ciphers with Partial Non-Linear Layers: Application to LowMC
Block cipher LowMC Picnic signature algorithm linear equivalence
2018/8/28
LowMC is a block cipher family that is optimized for practical instantiations of multi-party computation, fully homomorphic encryption, and zero-knowledge proofs. It was designed in 2015 by Albrecht e...
Non-Malleable Codes for Partial Functions with Manipulation Detection
non-malleable codes manipulation-detection codes tamper-resilient cryptography
2018/6/5
Non-malleable codes were introduced by Dziembowski, Pietrzak and Wichs (ICS '10) and its main application is the protection of cryptographic devices against tampering attacks on memory. In this work, ...
Partial Key Exposure Attacks on RSA: Achieving the Boneh-Durfee Bound
public-key cryptography RSA
2018/5/28
Thus far, several lattice-based algorithms for partial key exposure attacks on RSA, i.e., given the most/least significant bits (MSBs/LSBs) of a secret exponent dd and factoring an RSA modulus NN, hav...
FLOOD VULNERABILITY REDUCTION, USING A PARTIAL PARTICIPATORY GIS APPROACH. A STUDY CASE IN BAJA CALIFORNIA SUR, MEXICO
Participatory cartography loods cyclones vulnerability reduction
2018/4/18
A partial participatory GIS approach was implemented in a community in La Paz, Baja California Sur, Mexico to reduce vulnerability of floods caused by cyclones. A workshop was held to locate areas sus...
FLOOD VULNERABILITY REDUCTION, USING A PARTIAL PARTICIPATORY GIS APPROACH. A STUDY CASE IN BAJA CALIFORNIA SUR, MEXICO.
Participatory cartography, floods, cyclones, vulnerability reduction
2018/5/8
A partial participatory GIS approach was implemented in a community in La Paz, Baja California Sur, Mexico to reduce vulnerability of floods caused by cyclones. A workshop was held to locate areas sus...
三亚国际数学论坛：几何与物理中的偏微分方程（Partial Differential Equations in Geometry and Physics）
三亚国际数学论坛 几何与物理中的偏微分方程
2018/1/11
PDEs are among the most powerful tools in both geometry and physics. Fundamental geometric problems like the Poincare ́ conjecture have been solved with PDEs, and the basic field equations of phy...
三亚国际数学论坛：非线性偏微分方程及相关论题（Nonlinear Partial Differential Equations and Related Topics）
三亚国际数学论坛 非线性偏微分方程及相关论题
2018/1/11
Nonlinear Partial Differential Equations naturally appear in gas motions, fluid mechanics, differential geometry and many other fields, which cover compressible and incompressible Navier-Stokes equati...