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The stable Auslander-Reiten components of certain monomorphism categories: 《Science China Mathematics》2024年第3期505-526,共22页Rasool Hafezi Yi Zhang; supported by National Natural Science Foundation of China (Grant No. 12101316)。; Let Λ be an Artin algebra and let Gprj-Λ denote the class of all the finitely generated Gorenstein projective Λ-modules. In this paper, we study the components of the stable Auslander-Reiten quiver of a certain sub...; 关键词：monomorphism category almost split sequence Auslander-Reiten quiver Gorenstein projective module

Silting Objects over the Stable Monomorphism Category of Higher Differential Objects: 《Algebra Colloquium》2023年第2期225-236,共12页Nan Gao Xuanyu Liu Jing Ma; Supported by the National Natural Science Foundation of China(Grant No.11771272)。; Higher differential objects are investigated and used for addressing three gen-eral problems.Torsionless differential modules over path algebras are characterized.The adjoint triples between triangulated categories,in...; 关键词：higher differential object stable monomorphism category partial silting object

Sexual size monomorphism may evolve in lizards with a body size maximizing reproductive performance for both sexes被引量：2: 《Current Zoology》2023年第3期277-283,共7页Hong-Liang Lu Jian-Fang Gao Kun Guo Xiang Ji; This work was carried out in compliance with the current laws of China and was supported by grants from the National Natural Science Foundation of China(32071511,31301878,and 31300339)。; We used Takydromus septentrionalis,a sexually size-monomorphic lacertid lizard,as a model system to test the hypothesis that sexual size monomorphism may evolve in lizards where reproductive performance is maximized a...; 关键词：annual fecundity annual reproductive output clutch frequency mating frequency Takydromus septentrionalis

Nestling sex ratio is unaffected by individual and population traits in the griffon vulture: 《Current Zoology》2023年第3期227-235,共9页Guillermo Gomez-Lopez Felix Martinez Ana Sanz-Aguilar Martina Carrete Guillermo Blanco; The study was carried out with the permission of the regional government of Castilla y Leon,Direccion General del Medio Natural,Servicio de Espacios Naturales.Research was funded by the Spanish Ministry of Economy,Industry,and Competitiveness through projects CGL2007-61395,CGL2010-15726,CGL2013-42451-P;PID2019-109685GB-I00 of the Spanish Ministry of Science and Innovation;G.G.L.was supported by a FPU fellowship of the Spanish Ministry of Science,Innovation and Universities(FPU19/06511);A.S.A.was supported by a Ramon y Cajal fellowship of the Spanish Ministry of Science(RYC-2017-22796).; Variation in offspring sex ratios is a central topic in animal demography and population dynamics.Most studies have focused on bird species with marked sexual dimorphism and multiple-nestling broods,where the offsprin...; 关键词：offspring sex ratio nestling sex Gyps fulvus MONOMORPHISM mad-cow crisis DEMOGRAPHY

On the monomorphism category of n-cluster tilting subcategories: 《Science China Mathematics》2022年第7期1343-1362,共20页Javad Asadollahi Rasool Hafezi Somayeh Sadeghi; supported by a grant from University of Isfahan。; Let M be an n-cluster tilting subcategory of mod-Λ,whereΛis an Artin algebra.Let S(M)denote the full subcategory of S(Λ),the submodule category of Λ,consisting of all the monomorphisms in M.We construct two functo...; 关键词：submodule categories n-abelian categories n-cluster tilting subcategories

Notes on McCoy Modules被引量：3: 《Journal of Mathematical Research with Applications》2018年第3期247-252,共6页Heqing ZHENG Zhi CHENG Xiaobin YIN; Supported by the National Natural Science Foundation of China(Grant No.11471017);the Natural Science Foundation of Anhui Higher Education Institutions of China(Grant No.KJ2018A0304);the Doctoral Research Foundation and the Research Culture Foundation of Anhui Normal University(Grant No.2014xmpy11); Let R be a ring with an identity and C（R） be the category of right R-modules. In this paper we introduce the notion of semi-McCoy module. With this notion we show that McCoy modules of C（R） are closed under kernel...; 关键词：McCoy module extension cokernel of monomorphism kernel of epimorphism direct sum

Injective objects of monomorphism categories: 《Frontiers of Mathematics in China》2016年第2期401-409,共9页Keyan SONG Yuehui ZHANG; The first author was supported by the National Natural Science Foundation of China （Grant No. 11501465） and the Fundamental Research Funds for the Central Universities （XDJK2015C041）, the second author was supported by the National Natural Science Foundation of China （Grant Nos. 11271257, 11201377） and the Natural Science Foundation of Shanghai （13ZR1422500）.; For an acyelic quiver Q and a finite-dimensional algebra A, we give a unified form of the indecomposable injective objects in the monomorphism category Mon（Q, A） and prove that Mon（Q, A） has enough injective objects.; 关键词：Monomorphism categories injective objects

Monomorphism categories associated with symmetric groups and parity in finite groups: 《Science China Mathematics》2013年第3期525-530,共6页ZHANG YueHui; Monomorphism categories of the symmetric and alternating groups are studied via Cayley's Em-bedding Theorem. It is shown that the parity is well defined in such categories. As an application, the parity in a finite gr...; 关键词：monomorphism categories Cayley’s theorem PARITY balanced group

VAGUE MAPPINGS: 《Journal of Electronics(China)》2012年第3期319-327,共9页Guo Chen Liang Jiarong Luo Chao He Gaoxing; Supported by the National Natural Sciences Foundation of China (No. 61064002);the Program for New Century Excellent Talents in University China (No. Degrte NCET-06-0756); In this paper, the concepts of （α,β） vague mappings, surjective （α,β） vague mappings, injective （α,β） vague mappings, bijective （α,β） vague mappings, （α,β） adjoin vague mappings, （α,β） vague mo...; 关键词：Vague mappings Surjective (α β) vague mappings Injective (α β) vague mappings (α β) vague monomorphism (α β) vague partition

Lb-coequalizers and Lb-regular Epimorphisms in the Category of L-sets and Bi-induced Maps: 《Chinese Quarterly Journal of Mathematics》2012年第2期169-176,共8页ZHANG Hong TANG Jian-gang LI Guo-hua; Foundation item： Supported by the National Natural Science Foundation of China（10871137）; In this paper,it gives the definition of the category of ■-sets and bi-induced maps whose true value set is a Locale,a complete Heyting algebra.In this category it defines the L_b-monomorphisms and the L_b-epimorphis...; 关键词：bi-induced map Lb-monomorphism Lb-epimorphism Lb-coequalizer Lbregular epimorphism

MONOMORPHISM