منابع مشابه
On a theorem of Sewell and Trotter
Sewell and Trotter proved that every connected α-critical graph that is not isomorphic to K1,K2 or an odd cycle contains a totally odd K4-subdivision. Their theorem implies an interesting min-max relation for stable sets in graphs without totally odd K4-subdivisions. In this note, we give a simpler proof of Sewell and Trotter’s theorem.
متن کاملStanley J. Korsmeyer
The scientific community has been saddened and diminished by the loss of Stanley J. Korsmeyer, M.D., who died of lung cancer last month at the age of 54. Over the last 25 years, Korsmeyer had been an international leader in the fields of cancer biology and programmed cell death (apoptosis). Through his studies of apoptosis, Korsmeyer helped revolutionize our concepts of carcinogenesis. Korsmeye...
متن کاملStanley Cohen (1922- )
Stanley Cohen [5] was born on 17 November 1922 in Brooklyn, New York. His father was a tailor and his mother a housewife who immigrated to the United States from Russia in the early 1900s. Cohen spent his early education in the New York City public school system, and attended the city college, Brooklyn College [9], for his undergraduate studies. Brooklyn College [9] had no tuition, which allowe...
متن کاملStanley Decompositions and Polarization
We define nice partitions of the multicomplex associated with a Stanley ideal. As the main result we show that if the monomial ideal I is a CM Stanley ideal, then I is a Stanley ideal as well, where I is the polarization of I .
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ژورنال
عنوان ژورنال: BMJ
سال: 2008
ISSN: 0959-8138,1468-5833
DOI: 10.1136/bmj.a758