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Academy of Mathematics and Systems Science, CAS Colloquia & Seminars：Convergence and Implicit Regularization of Deep Learning Optimizers
深度学习 优化 收敛 隐式正则化
2023/4/13
In this talk, I will present our recent work on the convergence/generalization analysis for the popular optimizers in deep learning. (1) We establish the convergence for Adam under (L0,L1 ) smoothness...
Academy of Mathematics and Systems Science, CAS Colloquia & Seminars：An implicit, asymptotic-preserving and energy-charge conserving method for the Vlasov-Maxwell system near quasineutrality
弗拉索夫-麦克斯韦系统 近准中性 隐式渐近守恒 能量电荷守恒
2023/4/13
An implicit asymptotic-preserving and energy-charge conserving (APECC) Particle-In-Cell method is proposed to solve the Vlasov-Maxwell (VM) equations in the quasi-neutral limit. Charge conservation is...
Academy of Mathematics and Systems Science, CAS Colloquia & Seminars：Topology optimization via implicit neural representations
隐式 神经表示 拓扑优化
2023/4/24
Along with the rapid development of artificial intelligence (AI) technology, scientific research enters a new era of AI. Topology optimization (TO) and AI technology are recently showing a growing tre...
Academy of Mathematics and Systems Science, CAS Colloquia & Seminars：Implicit biases of optimization algorithms for neural networks and their effects on generalization
神经网络 优化算法 隐式偏差 泛化的影响
2023/4/26
Modern neural networks are usually over-parameterized—the number of parameters exceeds the number of training data. In this case the loss functions tend to have many (or even infinite) global minima, ...
Schnorr-based implicit certification: improving the security and efficiency of V2X communications
Vehicular communications (V2X) implicit certificates butterfly key expansion
2019/2/25
In the implicit certification model, the process of verifying the validity of the signer's public key is combined with the verification of the signature itself. When compared to traditional, explicit ...
Cryptographic Constructions Supporting Implicit Data Integrity
Data Integrity Implicit Integrity Observer Functions
2018/6/5
We study a new methodology supporting data integrity called 'implicit integrity' and present cryptographic constructions supporting it. Implicit integrity allows for corruption detection without produ...
USAGE OF MULTIPLE LIDAR SENSORS ON A MOBILE SYSTEM FOR THE DETECTION OF PERSONS WITH IMPLICIT SHAPE MODELS
LiDAR Mobile Laser scanning MLS Person Detection Classification
2018/6/4
The focus of this paper is the processing of data from multiple LiDAR (light detection and ranging) sensors for the purpose of detecting persons in that data. Many LiDAR sensors (e.g., laser scanners)...
Transfer from implicit to explicit phonological abilities in first and second language learners
implicit phonological abilities explicit phonological abilities second language learning
2017/8/29
Children's abilities to process the phonological structure of words are important predictors of their literacy development. In the current study, we examined the interrelatedness between implicit (i.e...
IMPLICIT THREE-DIMENSIONAL GEO-MODELLING BASED ON HRBF SURFACE
Implicit modelling Hermite radial basis function (HRBF) 3D geological modelling ore body modelling
2016/10/14
Three-dimensional (3D) geological models are important representations of the results of regional geological surveys. However, the process of constructing 3D geological models from two-dimensional (2D...
On the role played by the work of Ulisse Dini on implicit function theory in the modern differential geometry foundations:the case of the structure of a differentiable manifold,1
differentiable manifold implicit function immersion theorems
2016/5/30
In this first paper we outline what possible historic-epistemological role might have played the work of Ulisse Dini on implicit function theory in formulating the structure of differentiable manifold...
The P600 in Implicit Artificial Grammar Learning
EEG Artificial syntax Implicit learning Artificial grammar learning Structural mereexposure Preference classification
2016/5/3
The suitability of the artificial grammar learning (AGL) paradigm to capture relevant aspects of the acquisition of linguistic structures has been empirically tested in a number of EEG studies. Some h...
Inducing Implicit Arguments from Comparable Texts: A Framework and Its Applications
Inducing Implicit Arguments Comparable Texts
2016/2/23
In this article, we investigate aspects of sentential meaning that are not expressed in local predicate–argument structures. In particular, we examine instances of semantic arguments that are only inf...
Some Theoretical Conditions for Menezes--Qu--Vanstone Key Agreement to Provide Implicit Key Authentication
key agreement MQV provable security
2016/1/26
Menezes–Qu–Vanstone key agreement (MQV) is intended to provide implicit key authentication
(IKA) and several other security objectives. MQV is approved and specified in five standards.
Privacy-Preserving Implicit Authentication
Implicit Authentication User Privacy Homomorphic Encryption
2016/1/25
In an implicit authentication system, a user profile is used
as an additional factor to strengthen the authentication of mobile users.
The profile consists of features that are constructed using the...
A Simple and Improved Algorithm for Integer Factorization with Implicit Hints
public-key cryptography / factoring
2016/1/6
Given two integers N1=p1q1 and N2=p2q2 with α-bit primes q1,q2, suppose that the t least significant bits of p1 and p2 are equal. May and Ritzenhofen (PKC 2009) developed a factoring algorithm for N1,...