Zobrazeno 1 - 10
of 47
pro vyhledávání: '"Ni, Xianglong"'
Inspired by the work of Ulrich and Huneke-Ulrich, we describe a pattern to show that the ideals of certain opposite embedded Schubert varieties defined by this pattern arise by taking residual intersections of two geometrically linked opposite Schube
Externí odkaz:
http://arxiv.org/abs/2411.13481
Using the theory of "higher structure maps" from generic rings for free resolutions of length three, we give a classification of grade 3 perfect ideals with small type and deviation in local rings of equicharacteristic zero, extending the Buchsbaum-E
Externí odkaz:
http://arxiv.org/abs/2407.02380
Autor:
Ni, Xianglong, Weyman, Jerzy
We construct two families of free resolutions that resolve the ideals of certain opposite Schubert varieties restricted to the big open cell. We conjecture that these examples have genericity properties translating to structure theorems for perfect i
Externí odkaz:
http://arxiv.org/abs/2304.01381
Let $I$ be a perfect ideal of height 3 in a Gorenstein local ring $R$. Let $\mathbb{F}$ be the minimal free resolution of $I$. A sequence of linear maps, which generalize the multiplicative structure of $\mathbb{F}$, can be defined using the generic
Externí odkaz:
http://arxiv.org/abs/2208.05934
Autor:
Ferraro, Luigi, Galetto, Federico, Gandini, Francesca, Huang, Hang, Mastroeni, Matthew, Ni, Xianglong
Publikováno v:
J. Softw. Alg. Geom. 14 (2024) 5-11
We describe a significant update to the existing InvariantRing package for Macaulay2. In addition to expanding and improving the methods of the existing package for actions of finite groups, the updated package adds functionality for computing invari
Externí odkaz:
http://arxiv.org/abs/2010.15331
Autor:
Ni, Xianglong
When $X$ is an associative H-space, the bar spectral sequence computes the homology of the delooping, $H_{*}(BX)$. If $X$ is an $n$-fold loop space for $n\geq2$ this is a spectral sequence of Hopf algebras. Using machinery by Sugawara and Clark, we s
Externí odkaz:
http://arxiv.org/abs/1908.09233
Publikováno v:
Hangkong bingqi, Vol 29, Iss 6, Pp 102-110 (2022)
In order to improve the accuracy of electronic equipment fault prediction results, a fault prediction method based on bi-directional long short term memory (Bi-LSTM) is proposed. Firstly, the research of long short term memory(LSTM) is carried out, a
Externí odkaz:
https://doaj.org/article/c284a8f0f2554b8086df4a5884e6342b
Akademický článek
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Publikováno v:
Jixie chuandong, Pp 158-164 (2019)
Aiming at the characteristics of non-linear, non-stationary, multi-noise and multi-fault signals of the compound fault signal in gearboxes, a compound fault diagnosis method for gearboxes based on variational mode decomposition and correlated kurtosi
Externí odkaz:
https://doaj.org/article/d61e1f4b7f424475a789a71608d850f3
Publikováno v:
Jixie qiangdu, Vol 40, Pp 45-49 (2018)
The feed forward neural network is used to predict the bearing life distribution in this paper,and puts forward the maintenance decision model based on the maintenance window. The mean and variance of the bearing life distribution are predicted by us
Externí odkaz:
https://doaj.org/article/20424ad3ef534b3aacc1c73660d1f026