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Academy of Mathematics and Systems Science, CAS Colloquia & Seminars：Combinatorial statistics: a common theme and a few examples
组合统计 霰弹枪组装 随机图匹配
2023/4/13
In this talk, I will overview the general flavor for the topic of “combinatorial statistics”, and I will describe some recent progress on shotgun assembling problems as well as random graph matching p...
Academy of Mathematics and Systems Science, CAS Colloquia & Seminars：Estimation of Common Factors for Microstructure Noise and Effcient Price in a High-frequency Dual Factor Model
高频双因子模型 微结构 噪声公因数 效率价格 估计
2023/4/17
We develop the Double Principal Component Analysis (DPCA) based on a dual factor structure for high-frequency intraday returns contaminated by microstructure noise. The dual factor structure allows a ...
Scientists discover a new way of sharing genetic information in a common ocean microbe（图）
海洋微生物 共享 遗传信息 原绿球菌 光合生物 基因转移
2023/6/21
From the tropics to the poles, from the sea surface to hundreds of feet below, the world’s oceans are teeming with one of the tiniest of organisms: a type of bacteria called Prochlorococcus, which des...
The dangers of neonicotinoid insecticides likely can't be watered down. That's the conclusion of a new study showing an insecticide made for commercial plant nurseries is harmful to a typical bee even...
New smartwatch app alerts deaf and hard-of-hearing users to common home-related sounds（图）
smartwatch app alerts deaf hard-of-hearing home-related sounds
2020/11/13
Smartwatches offer people a private method for getting notifications about their surroundings -- such as a phone call, health alerts or an upcoming package delivery.Now University of Washington resear...
The most common organism in the oceans harbors a virus in its DNA（图）
organism oceans harbors virus DNA
2020/6/5
The most common organism in the oceans, and possibly on the entire planet, is a family of single-celled marine bacteria called SAR11. These drifting organisms look like tiny jelly beans and have evolv...
New probe developed to detect a common target for anti-inflammatory drugs（图）
New probe developed detect common target anti-inflammatory drugs
2020/3/6
Scientists have developed a probe named CoxFluor that can distinguish between Cyclooxygenase-2, an enzyme that plays a major role in driving the progression of cancer, and the enzyme Cyclooxygenase-1,...
Scientists observe a single quantum vibration under ordinary conditions: Studying a common material at room temperature, researchers bring quantum behavior 'closer to our daily life'
quantum vibration daily life quantum behavior common material room temperature
2019/10/10
When a guitar string is plucked, it vibrates as any vibrating object would, rising and falling like a wave, as the laws of classical physics predict. But under the laws of quantum mechanics, which des...
Common feature of cancer cells may also be their Achilles' heel（图）
Common feature cancer cells Achilles' heel
2019/10/22
In a study using yeast cells and data from cancer cell lines, Johns Hopkins University scientists report finding a potential weak spot in cancer cells that have extra sets of chromosomes, the structur...
Fooling the Sense of Cross-core Last-level Cache Eviction based Attacker by Prefetching Common Sense
implementation information hiding
2019/4/22
Cross-core last-level cache (LLC) eviction based sidechannel
attacks are becoming practical because of the inclusive
nature of shared resources (e.g., an inclusive LLC), that creates
back-invalidat...
Algorithms for CRT-variant of Approximate Greatest Common Divisor Problem
CCK-ACD Lattice orthogonal lattice attack
2019/3/1
The approximate greatest common divisor problem (ACD) and its variants have been used to construct many cryptographic primitives. In particular, variants of the ACD problem based on Chinese remainder ...
Revisiting Orthogonal Lattice Attacks on Approximate Common Divisor Problems and their Applications
Fully homomorphic encryption approximate common divisor problem implicit factorization problem
2018/12/20
In this paper, we revisit three existing types of orthogonal lattice (OL) attacks and propose optimized cases to solve approximate common divisor (ACD) problems. In order to reduce both space and time...
Estimation of genetic parameters of fatty acids composition in flesh of market size common carp (Cyprinus carpio L.) and their relation to performance traits revealed that selective breeding can indirectly affect flesh quality
genetic correlations genetic improvement growth heritability slaughtering traits, supplemental feeding
2018/11/23
Fish are a rich source of omega-3 polyunsaturated fatty acids (n-3 PUFAs) and thus, they should be an integral part of human diet at least twice a week. As a result, high attention has been devoted to...
Updatable and Universal Common Reference Strings with Applications to zk-SNARKs
zero-knowledge common reference strings subvertability
2018/3/23
By design, existing (pre-processing) zk-SNARKs embed a secret trapdoor in a relation-dependent common reference strings (CRS). The trapdoor is exploited by a (hypothetical) simulator to prove the sche...
Oxidative Stress and Antioxidant Enzyme Defence System in Seminal Plasma of Common Carp (Cyprinus carpio) and Rainbow Trout (Oncorhynchus mykiss) during Spawning Season
reproductive season lipid peroxidation products fish sperm superoxide dismutase glutathione reductase glutathione peroxidase
2018/3/5
Assessment of seminal oxidative stress indicators is emerging as a valuable prognostic tool in assisted reproductive
technology. We investigated levels of oxidative stress caused by reactive oxygen s...