Search Results - "Zhen, James"

Structures and comparison of endogenous 2-oxoglutarate and pyruvate dehydrogenase complexes from bovine kidney by Liu, Shiheng, Xia, Xian, Zhen, James, Li, Zihang, Zhou, Z. Hong

“…The α-keto acid dehydrogenase complex family catalyzes the essential oxidative decarboxylation of α-keto acids to yield acyl-CoA and NADH. Despite performing…”
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Segmental structural dynamics in Aβ42 globulomers by Yoon, Allison, Zhen, James, Guo, Zhefeng

“…Aβ42 aggregation plays a central role in the pathogenesis of Alzheimer’s disease. In addition to the insoluble fibrils that comprise the amyloid plaques, Aβ42…”
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Screening Tests for Lasso Problems by Xiang, Zhen James, Yun Wang, Ramadge, Peter J.

“…This paper is a survey of dictionary screening for the lasso problem. The lasso problem seeks a sparse linear combination of the columns of a dictionary to…”
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Static and dynamic disorder in Aβ40 fibrils by Xiao, Hui, Duo, Lan, Zhen, James, Wang, Hongsu, Guo, Zhefeng

“…Deposition of Aβ aggregates in the form of amyloid fibrils is a pathological hallmark of Alzheimer's disease. Understanding the structure and dynamics of Aβ…”
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Structures From Cells and Viruses Through Endogenous CryoEm Methods by Zhen, James

“…As we seek to elucidate the functions and mechanisms of biological constructs, there is a growing need to learn about their structures in their native contexts…”
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Structural basis of RNA conformational switching in the transcriptional regulator 7SK RNP by Yang, Yuan, Liu, Shiheng, Egloff, Sylvain, Eichhorn, Catherine D., Hadjian, Tanya, Zhen, James, Kiss, Tamás, Zhou, Z. Hong, Feigon, Juli

“…7SK non-coding RNA (7SK) negatively regulates RNA polymerase II (RNA Pol II) elongation by inhibiting positive transcription elongation factor b (P-TEFb), and…”
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Structural basis of RNA conformational switching in the transcriptional regulator 7SK RNP by Yang, Yuan, Liu, Shiheng, Egloff, Sylvain, Eichhorn, Catherine D., Hadjian, Tanya, Zhen, James, Kiss, Tamás, Zhou, Hong, Feigon, Juli

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Immunization of Mice with Virus-Like Vesicles of Kaposi Sarcoma-Associated Herpesvirus Reveals a Role for Antibodies Targeting ORF4 in Activating Complement-Mediated Neutralization by Lam, Alex K, Roshan, Romin, Miley, Wendell, Labo, Nazzarena, Zhen, James, Kurland, Andrew P, Cheng, Celine, Huang, Haigen, Teng, Pu-Lin, Harelson, Claire, Gong, Danyang, Tam, Ying K, Radu, Caius G, Epeldegui, Marta, Johnson, Jeffrey R, Zhou, Z Hong, Whitby, Denise, Wu, Ting-Ting

“…Infection by Kaposi sarcoma-associated herpesvirus (KSHV) can cause severe consequences, such as cancers and lymphoproliferative diseases. Whole inactivated…”
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Fast lasso screening tests based on correlations by Xiang, Z. J., Ramadge, P. J.

“…Representing a vector as a sparse linear combination of codewords, e.g. by solving a lasso problem, lies at the heart of many machine learning and statistics…”
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Edge-Preserving Image Regularization Based on Morphological Wavelets and Dyadic Trees by Xiang, Z. J., Ramadge, P. J.

“…Despite the tremendous success of wavelet-based image regularization, we still lack a comprehensive understanding of the exact factor that controls edge…”
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Lasso screening with a small regularization parameter by Yun Wang, Xiang, Zhen James, Ramadge, Peter J.

“…Screening for lasso problems is a means of quickly reducing the size of the dictionary needed to solve a given instance without impacting the optimality of the…”
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Tradeoffs in improved screening of lasso problems by Yun Wang, Xiang, Zhen James, Ramadge, Peter J.

“…Recently, methods of screening the lasso problem have been developed that use the target vector x to quickly identify a subset of columns of the dictionary…”
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Morphological wavelets and the complexity of dyadic trees by Xiang, Zhen James, Ramadge, Peter J.

“…In this paper we reveal a connection between the coefficients of the morphological wavelet transform and complexity measures of dyadic tree representations of…”
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Combining structural knowledge with sparsity in machine learning and signal processing by Xiang, Zhen James

“…With the advancement of technology, we are able to collect, store, and transmit an ever-increasing volume of data. However, our ability to extract useful…”
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Sparse boosting by Xiang, Z.J., Ramadge, P.J.

“…We propose a boosting algorithm that seeks to minimize the AdaBoost exponential loss of a composite classifier using only a sparse set of base classifiers. The…”
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Learning a wavelet tree for multichannel image denoising by Xiang, Z. J., Zhuo Zhang, Pingmei Xu, Ramadge, P. J.

“…We propose a new multichannel image denoising algorithm. To exploit important inter-channel dependencies, we first use dynamic programming to learn an explicit…”
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Morphological wavelet transform with adaptive dyadic structures by Xiang, Z J, Ramadge, P J

“…We propose a two component method for denoising multidimensional signals, e.g. images. The first component uses a dynamic programing algorithm of complexity O…”
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Screening Tests for Lasso Problems by Xiang, Zhen James, Wang, Yun, Ramadge, Peter J

“…This paper is a survey of dictionary screening for the lasso problem. The lasso problem seeks a sparse linear combination of the columns of a dictionary to…”
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Combining structural knowledge with sparsity in machine learning and signal processing by Xiang, Zhen James

“…With the advancement of technology, we are able to collect, store, and transmit an ever-increasing volume of data. However, our ability to extract useful…”
Get full text

Genetic algorithms in machine learning and optimization by Tu, James Zhen

“…This dissertation focuses on the development of the theory of genetic algorithms and its applications in machine learning and optimization. A genetic-based…”
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