Thank Evans!
نویسندگان
چکیده
In this paper we give a complete solution to the conjecture of Evans made in 1960 that if n— 1 cells of an nxn matrix are preassigned with no element repeated in any row or column then the remaining n — n+ 1 cells can be filled so as to produce a latin square. We in fact prove the stronger statement that n cells can be preassigned except in certain cases which we specify.
منابع مشابه
Analysis and Synthesis of Collaborative Opportunistic
Dedicated to anyone who got lost and could not find the way home Acknowledgments I would like to express my gratitude to a number of people who played a role in my academic journey. First, I thank my advisor Todd Humphreys for his advice and support throughout my doctoral studies. I still remember vividly our first meeting in which he discussed his research vision. I thank him for introducing m...
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Redundant studies proved coronavirus infection results from a defect in a suitable immune response that may exacerbate immune-inflammatory reactions like cytokine storm and autoimmunity. Evans syndrome (ES) is a rare chronic autoimmune disease that distinguishes it from autoimmune hemolytic anemia (AIHA) and immune thrombocytopenic purpura (ITP). Reports have shown significant differences in im...
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To be added. ∗I would like to thank David Card, Mark Duggan, Bill Evans, Judy Hellerstein, Ingmar Prucha, Jim Smith, Alex Whalley and seminar participants at Berkeley, the BLS, UC-Irvine, University of Maryland, and RAND for helpful comments and discussions.
متن کاملThe co-occurrence of multiple sclerosis and Evans syndrome: A case report
Background: Evans syndrome is an uncommon autoimmune disorder manifested by fatigue, jaundice, pallor, purpura and petechiae. The main characteristics of this rare disease are simultaneous or sequential existence of positive anti-globulin test, immune thrombocytopenia (ITP) and autoimmune hemolytic anemia (AIHA). Evans syndrome as an autoimmune disorder can be associated with other diseases. Th...
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University for a number of helpful suggestions. The authors want to especially thank Gail Parr of the National Center for Health Statistics for constructing the restricted-use version of the Mortality Detail Data we use for this project.
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تاریخ انتشار 1983