A note on the dimensional crossover critical exponent
نویسندگان
چکیده
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Brylawski [2] has shown that loopless principal transversal matroids have critical exponent at most 2. Welsh [4] asks if a similar result holds for all transversal matroids. We answer in the affirmative by proving that all loopless transversal matroids have critical exponent at most 2. The terminology used here for matroids will in general follow Welsh 131. A rank r transversal matroid M is rep...
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ژورنال
عنوان ژورنال: Letters in Mathematical Physics
سال: 2020
ISSN: 0377-9017,1573-0530
DOI: 10.1007/s11005-020-01336-3