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Majorana Representations of Finite Groups

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Algebra Colloquium 2020年第1期27卷 31-50页

作者： Clara Franchi Alexander a.ivanov Mario Mainardis Dipartimento di Matematica e Fisica Universita Cattolica del Sacro Cuore Via Musei 41I-25121 BresciaItaly Department of Mathematics Imperial College 180 Queen's Gt.LondonSW72AZUK Institute for System Analysis FRC CSCRASRussia Dipartimento di Matematica e Informatica Universita di Udine Via delle Scienze 206I-33100 UdineItaly

In this paper we give a brief overview of the theory of Majorana representations of finite groups.

关键词： axial algebras Majorana representations Monster group Monster algebra,association schemes

Fuel characteristics, loads and consumption in Scots pine forests of central Siberia

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Journal of Forestry Research 2020年第6期31卷 2507-2524页

作者： Galina a.ivanova Elena A.Kukavskaya Valery a.ivanov Susan G.Conard Douglas J.McRae V.N.sukachev institute of forest sb ras-separate subdivision of the federal research center“krasnoyarsk science center of the siberian branch of the russian academy of sciences” krasnoyarskrussia 660036 M.F.reshetnev siberian state university of science and technology krasnoyarskrussia 660049 Emeritus scientist rocky mountain research stationu.s.forest servicemissoulamt 59807usa George mason university fairfaxvausa Canadian forest service natural resources canada1219 queen street eastsault st5.marieon p6a 2e5canada

Forest fuel investigations in central and southern Siberian taiga of Scots pine forest stands dominated by lichen and feather moss ground vegetation cover revealed that total aboveground biomass varied from 13.1 to 21.0 kg/m *** biomass was higher in plots in the southern taiga,while ground fuel loads were higher in the central *** developed equations for fuel biomass(both aerial and ground)that could be applicable to similar pine forest sites of Central *** loading variability found among plots is related to the impact and recovery time since the last wildfi re and the mosaic distribution of living *** consumption due to surface fi res of low to high-intensities ranged from 0.95 to 3.08 kg/m 2,that is,18–74%from prefi re *** total amount of fuels available to burn in case of fi re was up to 4.5–6.5 kg/m *** content of fuels(litter,lichen,feather moss)was related to weather conditions characterized by the Russian Fire Danger Index(PV-1)and FWI code of the Canadian Forest Fire Weather Index *** data obtained provide a strong foundation for understanding and modeling fi re behavior,emissions,and fi re eff ects on ecosystem processes and carbon stocks and could be used to improve existing global and regional models that incorporate biomass and fuel characteristics.

关键词： Pinus sylvestris Tree biomass Surface and ground fuel loads Fuel moisture Fuel consumption

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Integrated geophysical surveys on railroads in permafrost areas

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Research in Cold and Arid Regions 2013年第5期5卷 582-586页

作者： a.ivanov S.Klepikova M.Shirobokov A.Urusova A.Savin Research and Survey Institute Geotech of Moscow Moscow State University of Railway Transportation

The zones of thawed ground in the permafrost area are most dangerous from engineer-geologist effect point of view. Detection of such zones, as making forecast of their movement is the main task of engineer-geologist survey been held in railway industry. This paper presents general issues concerning railway construction and operation in permafrost areas. Comprehensive geophysical methods to monitor the development of thawed soils axe considered in detail. The main physical parameters which help define permafrost and thawed soil patches are described. Author of current paper pointed out main factors, allowing predicting potential areas of development of thawed grounds. They offered set non-destructive methods： GPR investigations, seismic survey and elec- tric exploration. Whole sets of geophysical data： electric resistivity, velocity of S-wave and P-wave （and their correlation）, allow us with high confidence specify characteristics and state of soil either under the line of road, or near it. At the same time the meth- od allows to predict direction of further development of thawed ground area.

关键词： geophysical surveys on railroads ground-penetrating radar geoelectric sounding seismic refraction survey perma- frost thawed soils

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Manufacturer encroachment and carbon reduction decisions considering cap-and-trade policy and retailer investment

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Frontiers of Engineering Management 2024年第2期11卷 326-344页

作者： Pengpeng YUAN Jiasen SUN Dmitry ivanov Business School and Dongwu Think Tank Soochow UniversitySuzhou 235031China Berlin School of Economics and Law Berlin 999035Germany

Low-carbon regulation and market competition present new opportunities and challenges for supply chain firms,emphasizing the significance of carbon reduction and channel encroachment in enhancing *** study formulates various game models to evaluate manufacturers’encroachment strategies(with or without encroachment)under different conditions of low-carbon investment by *** investigates the operational decisions and carbon abatement strategies of firms under various *** findings reveal that encroachment elevates unit abatement levels but decreases wholesale prices and retailer profits when unit encroachment costs are below certain *** contrast,the manufacturer consistently benefits from channel ***-initiated low-carbon investments can motivate manufacturers to reduce emissions.A lower carbon price potentially offers financial advantages to retailer engaging in such ***,the likelihood of reduced environmental damage postchannel encroachment,compared to preprofessional encroachment,increases when the retailer invests in low-carbon *** retailer’s profit is inversely related to the carbon price,and a higher carbon price can strengthen the incentive effect of low-carbon investment on the manufacturer’s abatement endeavors.

关键词： carbon cap-and-trade channel encroachment emission reduction low-carbon investment

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半主动雷达制导

系统工程与电子技术 1984年第7期 38-48页

作者： a.ivanov 罗格

防空导弹是当代电子技术中一种最先进的产品,并成为微波元件及其子系统的最大市场之一。从第二次世界大战结束前的第一批产品开始,到现在已有许多系统研制出采,一些主要的发展计划已转入正式生产,并全面装备了部队。最成功而又获得最广泛

关键词：连续波发射机照射器双变换动态范围雷达发射机单脉冲系统调频噪声寻的器目标信号雷达信号多卜勒频率照射信号杂波干扰噪声干扰连续波雷达本振信号

A critical review on solid-state welding of high entropy alloys-processing,microstructural characteristics and mechanical properties of joints

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Defence Technology（防务技术） 2024年第4期34卷 78-133页

作者： Tushar Sonar Mikhail ivanov Evgeny Trofimov Aleksandr Tingaev Ilsiya Suleymanova Department of Welding Engineering Institution of Engineering and TechnologySouth Ural State University(National Research University)Chelyabinsk454080Russia Department of Materials Science Physical and Chemical Properties of MaterialsInstitution of Engineering and TechnologySouth Ural State University(National Research University)Chelyabinsk454080Russia

The high entropy alloys(HEAs)are the newly developed high-performance materials that have gained significant importance in defence,nuclear and aerospace sector due to their superior mechanical properties,heat resistance,high temperature strength and corrosion *** alloys are manufactured by the equal mixing or larger proportions of five or more alloying *** exhibit superior mechanical performance compared to traditional engineering alloys because of the extensive alloying composition and higher entropy of *** state welding(SSW)techniques such as friction stir welding(FSW),rotary friction welding(RFW),diffusion bonding(DB)and explosive welding(EW)have been efficiently deployed for improving the microstructural integrity and mechanical properties of welded HEA *** HEA interlayers revealed greater potential in supressing the formation of deleterious intermetallic phases and maximizing the mechanical properties of HEAs *** similar and dissimilar joining of HEAs has been manifested to be viable for HEA systems which further expands their industrial ***,the main objective of this review paper is to present a critical review of current state of research,challenges and opportunities and main directions in SSW of HEAs mainly CoCrFeNiMn and Al_xCoCrFeNi *** state of the art of problems,progress and future outlook in SSW of HEAs are critically reviewed by considering the formation of phases,microstructural evolution and mechanical properties of HEAs joints.

关键词： High entropy alloys Solid state welding Microstructure Mechanical properties

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半主动雷达制导

航空兵器 1988年第2期 10-19页

作者： a.ivanov 李德纯美国雷锡恩公司导弹系统分部

防空导弹是当今电子技术中最先进的产品之一,它也是大量采用微波器件和分系统的最主要的系统之一。自从第二次世界大战末期开始研制以来,许多系统已获得了改进,几个主要的研制计划已付诸生产并全面部署使用。最成功的、使用最为广泛的... 详细信息

防空导弹是当今电子技术中最先进的产品之一,它也是大量采用微波器件和分系统的最主要的系统之一。自从第二次世界大战末期开始研制以来,许多系统已获得了改进,几个主要的研制计划已付诸生产并全面部署使用。最成功的、使用最为广泛的系统都采用了半主动雷达制导,特别是采用了连续波半主动自动寻的。在过去的三十年里,已生产了80000多枚连续波导引头以及相应的照射器,这或许就是所有使用的微波硬件中最大的一部分。

关键词：连续波发射机照射器振荡器动态范围自动寻的目标信号雷达发射机电子设备传感器雷达单脉冲系统调频噪声

Identification of Proteins and Genes Associated with Hedgehog Signaling Pathway Involved in Neoplasm Formation Using Text-Mining Approach

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Big Data Mining and Analytics 2024年第1期7卷 107-130页

作者： Nadezhda Yu.Biziukova Sergey M.ivanov Oga A.Tarasova Department of Bioinformatics Institute of Biomedical ChemistryMoscow 119121Russia Department of Bioinformatics Pirogov Russian National Research Medical UniversityMoscow 117997Russia

Analysis of molecular mechanisms that lead to the development of various types of tumors is essential for biology and medicine,because it may help to find new therapeutic opportunities for cancer treatment and cure including personalized treatment *** of the pathways known to be important for the development of neoplastic diseases and pathological processes is the Hedgehog signaling pathway that normally controls human embryonic *** accumulation of various types of biological data,including interactions between proteins,regulation of genes transcription,proteomics,and metabolomics experiments results,allows the application of computational analysis of these big data for identification of key molecular mechanisms of certain diseases and pathologies and promising therapeutic *** aim of this study is to develop a computational approach for revealing associations between human proteins and genes interacting with the Hedgehog pathway components,as well as for identifying their roles in the development of various types of *** automatically collect sets of abstract texts from the NCBI PubMed bibliographic *** recognition of the Hedgehog pathway proteins and genes and neoplastic diseases we use a dictionary-based named entity recognition approach,while for all other proteins and genes machine learning method is *** association extraction,we develop a set of semantic *** complete the results of the text analysis with the gene set enrichment *** identified key pathways that may influence the Hedgehog pathway and their roles in tumor development are then verified using the information in the literature.

关键词： text-mining data mining Hedgehog pathway neoplastic processes enrichment analysis pathology molecularmechanisms

NSD3S stabilizes MYC through hindering its interaction with FBXW7

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Journal of Molecular Cell Biology 2020年第6期12卷 438-447页

作者： Valentina Gonzalez-Pecchi Albert KKwan Sean Doyle Andrey Aivanov Yuhong Du Haian Fu Graduate Program in Cancer Biology Emory UniversityAtlantaGAUSA Department of Pharmacology and Chemical Biology Emory Chemical Biology Discovery CenterEmory UniversityAtlantaGAUSA Winship Cancer Institute Emory UniversityAtlantaGAUSA Department of Hematology&Medical Oncology Emory UniversityAtlantaGAUSA

The MYC transcription factor plays a key role in cell growth control. Enhanced MYC protein stability has been found to promote tumorigenesis. Thus, understanding how MYC stability is controlled may have significant implications for revealing MYC-driven growth regulatory mechanisms in physiological and pathological processes. Our previous work identified the histone lysine methyltransferase nuclear receptor binding SET domain protein 3 (NSD3) as a MYC modulator. NSD3S, a noncatalytic isoform of NSD3 with oncogenic activity, appears to bind, stabilize, and activate the transcriptional activity of MYC. However, the mechanism by which NSD3S stabilizes MYC remains to be elucidated. To uncover the nature of the interaction and the underlying mechanism of MYC regulation by NSD3S, we characterized the binding interface between both proteins by narrowing the interface to a 15-amino acid region in NSD3S that is partially required for MYC regulation. Mechanistically, NSD3S binds to MYC and reduces the association of F-box and WD repeat domain containing 7 (FBXW7) with MYC, which results in suppression of FBXW7-mediated proteasomal degradation of MYC and an increase in MYC protein half-life. These results support a critical role for NSD3S in the regulation of MYC function and provide a novel mechanism for NSD3S oncogenic function through inhibition of FBXW7-mediated degradation of MYC.

关键词： cancer FBXW7 MYC NSD3S protein–protein interaction