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Academy of Mathematics and Systems Science, CAS Colloquia & Seminars：Smoothing invariant is equivalent to harmonic
平滑不变 等价 谐波 调和函数
2023/4/23
It is well known that harmonic function is smoothing invariant when convolved with the standard mollifier, which gives a quick proof of the smoothness of the harmonic function. In this talk, we will c...
中国地质大学科学技术发展院左博新，胡祥云*等，计算机学院，Geophysical Research Letters （2020），Downward Continuation and Transformation of Total‐Field Magnetic Anomalies Into Magnetic Gradient Tensors Between Arbitrary Surfaces Using Multilayer Equivalent Sources
资源勘探；等效源方法；磁测；数据；下延拓；磁梯度；张量；转换计算
2021/10/15
近日，地球物理著名期刊《Geophysical Research Letters》正式刊发了中国地质大学胡祥云教授团队研究成果 -“Downward continuation and transformation of total-field magnetic anomalies into magnetic gradient tensors between arbitrary surfaces u...
Linearly equivalent S-boxes and the Division Property
Cryptanalysis Division Property RECTANGLE
2019/2/27
Division property is a new cryptanalysis method introduced by Todo at Eurocrypt'15 that proves to be very efficient on block ciphers and stream ciphers. It can be viewed as a generalization or a more ...
Invisible Sanitizable Signatures and Public-Key Encryption are Equivalent
Sanitizable signatures Invisibility Public-key encryption
2018/4/12
Sanitizable signature schemes are signature schemes which support the delegation of modification rights. The signer can allow a sanitizer to perform a set of admissible operations on the original mess...
Intermittent Walking has Similar Effects on 24-Hour Glycemia as a Calorically Equivalent Continuous Walk in Older Adults: 81 Board #1 May 31 930 AM - 1130 AM
Intermittent Walking has Similar Effects on 24-Hour Glycemia Calorically Equivalent Continuous Adults 81 Board
2018/4/25
Older adults spend more time engaged in sedentary behavior (SB) than any other segment of the population. Interrupting sedentary time with short bouts of walking improves 24-hour glycemic control comp...
Equivalent effective population size mating as a useful tool in the genetic management of the Ibicenco rabbit breed (Conill Pages d’Eivissa)
diversity genetic structure pedigree small populations
2016/3/24
The Ibicenco rabbit (Conill Pages D’Eivissa) is a rare breed mainly located on Ibiza Island, in rural areas. Today breeders are looking for a sustainable use and alternative routes for profitability o...
An Equivalent Condition on the Switching Construction of Differentially 4-uniform Permutations on $\gf_{2^{2k}}$ from the Inverse Function
Differentially 4-uniform function Substitution box 4-Uniform BFI
2016/1/7
Differentially 4-uniform permutations on \gf22k with high nonlinearity are often chosen as Substitution boxes in block ciphers. Recently, Qu et al. used the powerful switching method to construct such...
Equivalent Key Recovery Attacks against HMAC and NMAC with Whirlpool Reduced to 7 Rounds
HMAC NMAC Whirlpool universal forgery
2016/1/4
A main contribution of this paper is an improved analysis against HMAC instantiating with reduced Whirlpool. It recovers equivalent keys, which are often denoted as Kin and Kout, of HMAC with 7-round ...
On the behaviors of affine equivalent Sboxes regarding differential and linear attacks
Sboxes affine equivalence differential cryptanalysis
2016/1/4
This paper investigates the effect of affine transformations of the Sbox on the maximal expected differential probability MEDP and linear potential MELP over two rounds of a substitution-permutation n...
NEW EXAMPLES OF TOPOLOGICALLY EQUIVALENT S-UNIMODAL MAPS WITH DIFFERENT METRIC PROPERTIES
TOPOLOGICALLY EQUIVALENT S-UNIMODAL MAPS DIFFERENT METRIC PROPERTIES
2015/9/25
We construct examples of topologically conjugate unimodal maps, such that both of them have an absolutely continuous invariant measure, but for one of them that measure is finite, and for another one ...
We provide evidence that breaking low-exponent RSA cannot be equivalent to factoring integers. We show that an algebraic reduction from factoring to breaking low-exponent RSA can be converted into an ...
IDENTIFYING AND MAPPING SYSTEMATIC ERRORS IN PASSIVE MICROWAVE SNOW WATER EQUIVALENT OBSERVATIONS
passive microwave snowpack snow crystals
2015/6/1
Understanding remote sensing retrieval errors is important for correct interpretation of observations, and successful
assimilation of observations into numerical models. Passive microwave sensors on...
Equivalent Semigroup Properties for Curvature-Dimension Condition
Equivalent Semigroup Properties Curvature-Dimension Condition
2015/3/24
Equivalent Semigroup Properties for Curvature-Dimension Condition.
This paper presents a package of modified
temperature-index-based snow water equivalent models as
part of the hydrological modeling system NewAge-JGrass.
Remote Sensing, Model-Derived and Ground Measurements of Snow Water Equivalent and Snow Density in Alaska
AMSR-E GlobSnow GIPL Model Ground Measurements
2013/3/11
Snow water equivalent (SWE) is important for investigations of annual to decadal-scale changes in Arctic environment and energy-water cycles. Passive microwave satellite-based retrieval algorithm esti...