Let F_(q)be a finite field of any characteristic and GL(n,F_(q))be the general linear group over F_(q).Suppose W denotes the standard representation of GL(n,F_(q)),and GL(n,F_(q))acts diagonally on the direct sum of W...Let F_(q)be a finite field of any characteristic and GL(n,F_(q))be the general linear group over F_(q).Suppose W denotes the standard representation of GL(n,F_(q)),and GL(n,F_(q))acts diagonally on the direct sum of W and its dual space W^(∗).Let G be any subgroup of GL(n,F_(q)).Suppose the invariant field F_(q)(W)G=F_(q)(f1,f2,…,fk),where f1,f2,…,fk in F_(q)[W]G are homogeneous invariant polynomials.We prove that there exist homogeneous polynomialsl1,l2,…,ln in the invariant ring F_(q)[W⊕W^(∗)]G such that the invariant field F_(q)(W⊕W^(∗))G is generated by{f1,f2,…,fk,l1,l2,…,ln}over F_(q).展开更多
Picornaviridae are a family of small positive-strand RNA viruses,and transmitted via the respiratory or fecal-oral route.The neurotropic picornaviruses can induce acute or late recurrent seizures following central ner...Picornaviridae are a family of small positive-strand RNA viruses,and transmitted via the respiratory or fecal-oral route.The neurotropic picornaviruses can induce acute or late recurrent seizures following central nervous system infection,by infecting the peripheral nerve,crossing the blood-brain barrier and migrating in the Trojan-horse method.Theiler’s murine encephalomyelitis virus(TMEV),as a member of Picornaviridae family,can cause encephalitis,leading to chronic spontaneous seizures.TMEV-infected C57BL/6 mice have been used as an animal model for exploring the mechanism of epileptogenesis and assessing new antiepileptic drugs.Astrogliosis,neuronal death and microglial recruitment have been detected in the hippocampus following the picornaviruse-induced encephalitis.The macrophages,monocytes,neutrophils,as well as IL-6 and TNF-αreleased by them,play an important role in the epileptogenesis.In this review,we summarize the clinical characteristics of picornavirus infection,and the immunopathology involved in the TMEV-induced epilepsy.展开更多
基金This research was partially supported by the NNSF of China(No.11301061).
文摘Let F_(q)be a finite field of any characteristic and GL(n,F_(q))be the general linear group over F_(q).Suppose W denotes the standard representation of GL(n,F_(q)),and GL(n,F_(q))acts diagonally on the direct sum of W and its dual space W^(∗).Let G be any subgroup of GL(n,F_(q)).Suppose the invariant field F_(q)(W)G=F_(q)(f1,f2,…,fk),where f1,f2,…,fk in F_(q)[W]G are homogeneous invariant polynomials.We prove that there exist homogeneous polynomialsl1,l2,…,ln in the invariant ring F_(q)[W⊕W^(∗)]G such that the invariant field F_(q)(W⊕W^(∗))G is generated by{f1,f2,…,fk,l1,l2,…,ln}over F_(q).
基金supported by the National Natural Science Foundation of Shandong,China(ZR2019PH040)the National Natural Science Foundation of China(81901321).
文摘Picornaviridae are a family of small positive-strand RNA viruses,and transmitted via the respiratory or fecal-oral route.The neurotropic picornaviruses can induce acute or late recurrent seizures following central nervous system infection,by infecting the peripheral nerve,crossing the blood-brain barrier and migrating in the Trojan-horse method.Theiler’s murine encephalomyelitis virus(TMEV),as a member of Picornaviridae family,can cause encephalitis,leading to chronic spontaneous seizures.TMEV-infected C57BL/6 mice have been used as an animal model for exploring the mechanism of epileptogenesis and assessing new antiepileptic drugs.Astrogliosis,neuronal death and microglial recruitment have been detected in the hippocampus following the picornaviruse-induced encephalitis.The macrophages,monocytes,neutrophils,as well as IL-6 and TNF-αreleased by them,play an important role in the epileptogenesis.In this review,we summarize the clinical characteristics of picornavirus infection,and the immunopathology involved in the TMEV-induced epilepsy.
