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Academy of Mathematics and Systems Science, CAS Colloquia & Seminars：Higher-order Hamiltonian generalization evolution equations
高阶 哈密顿 广义演化方程
2023/11/13
In this talk, I will review several classes of higher-order generalizations of the integrable Camassa-Holm equation in the Hamiltonian forms. Then, I talk about some new results for one generalized Ca...
Academy of Mathematics and Systems Science, CAS Colloquia & Seminars：Robust Generalization Requires Exponentially Large Models
鲁棒泛化 指数级大 模型
2023/5/15
It is well-known that modern neural networks are vulnerable to adversarial examples. To mitigate this problem, a series of robust learning algorithms have been proposed. However, although the robust t...
Academy of Mathematics and Systems Science, CAS Colloquia & Seminars：Generalization of Graph Neural Networks and Graph Structural Learning for Robust Representation
图神经网络 泛化 图结构学习 鲁棒表示
2023/4/18
This report consists of two parts associated with graph neural networks: generalization and graph structural learning. We first study the Rademacher complexity of GNNs, as one of independent-algorithm...
Academy of Mathematics and Systems Science, CAS Colloquia & Seminars：Lines on holomorphic contact manifolds and a generalization of (2,3,5)-distributions to higher dimensions
全纯接触流形 线和 （2，3，5） 高维度推广
2023/4/19
Since the celebrated work by Cartan, distributions with small growth vector (2,3,5) have been studied extensively. In the holomorphic setting, there is a natural correspondence between holomorphic (2,...
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, ...
Deep Learning Model Generalization in Side-Channel Analysis
Side-Channel Analysis Deep Learning Model Generalization
2019/8/30
The adoption of deep neural networks for profiled side-channel attacks provides different capabilities for leakage detection of secure products. Research papers provide a variety of arguments with res...
On the Inner Product Predicate and a Generalization of Matching Vector Families
Predicate Encryption Inner Product Encoding Matching Vector Families
2018/11/7
Our main result is a simple lower bound that allows us to show that known encodings for many predicates considered in the cryptographic literature such as greater than and threshold are essentially op...
Cryptanalysis of a Group Key Transfer Protocol Based on Secret Sharing: Generalization and Countermeasures
Secret Sharing Group key transfer protocol Key agreement protocol
2018/8/2
Group key distribution protocol is a mechanism in which a group key is generated and distributed by KGC to a set of communicating parties in a group. This group key generally ensures secure communicat...
IMPROVING PATH QUERY PERFORMANCE IN PGROUTING USING A MAP GENERALIZATION APPROACH
pgRouting Road Networks Skeletal Model Skeleton Shortest Path Map Generalization Zones Path Computation
2018/11/8
pgRouting library provides functions to compute shortest path between any two points of a road network which is of great demand and also a topic of interest in the field of GIS, graph theory and trans...
山东财经大学外国语学院英语写作II课件 Development by Example and Generalization
山东财经大学外国语学院 英语写作II 课件 Development by Example and Generalization
2018/7/6
山东财经大学外国语学院英语写作II课件 Development by Example and Generalization。
A MODEL STUDY OF SMALL-SCALE WORLD MAP GENERALIZATION
Global map Map generalization Improved model Cross-platform symbol Automatic map-making knowledge engine
2018/5/11
With the globalization and rapid development every filed is taking an increasing interest in physical geography and human economics. There is a surging demand for small scale world map in large format...
A New Generalization of the KMOV Cryptosystem
KMOV cryptosystem, Elliptic curves, Prime power modulus
2017/11/13
The KMOV scheme is a public key cryptosystem based on an RSA modulus n=pqn=pq where pp and qq are large prime numbers with p≡q≡2(mod3)p≡q≡2(mod3). It uses the points of an elliptic curve with equation...
ROAD NETWORK GENERALIZATION BASED ON FLOAT CAR TRACKING
Road network Dynamic attributes Mapping,Gathering Topology
2016/11/8
Road generalization is not only helpful to simplify complicated road networks but can also satisfy the needs of reasonable display of roads under varying scales, thus offering basis for updating and g...
DO THE VISUAL COMPLEXITY ALGORITHMS MATCH THE GENERALIZATION PROCESS IN GEOGRAPHICAL DISPLAYS?
Visual complexity feature congestion subband entropy
2016/7/8
In this study, we first develop a hypothesis that existing quantitative visual complexity measures will overall reflect the level of cartographic generalization, and test this hypothesis. Specifically...
Comment on Ashtekar:Generalization of Wigner's Principle
T-violation time physics quantum theory symmetry time reversal
2016/6/15
Ashtekar (2013) has illustrated that two of the available roads to testing for time asymmetry can be generalized beyond the structure of quantum theory, to much more general formulations of mechanics....