机构:
Univ Tokyo, Grad Sch Informat Sci & Technol, Bunkyo Ku, Tokyo 1130033, JapanUniv Tokyo, Grad Sch Informat Sci & Technol, Bunkyo Ku, Tokyo 1130033, Japan
Yamaguchi, Takashi
[1
]
Ogawa, Mitsunori
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机构:
Univ Tokyo, Grad Sch Informat Sci & Technol, Bunkyo Ku, Tokyo 1130033, JapanUniv Tokyo, Grad Sch Informat Sci & Technol, Bunkyo Ku, Tokyo 1130033, Japan
Ogawa, Mitsunori
[1
]
Takemura, Akimichi
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机构:
Univ Tokyo, Grad Sch Informat Sci & Technol, Bunkyo Ku, Tokyo 1130033, JapanUniv Tokyo, Grad Sch Informat Sci & Technol, Bunkyo Ku, Tokyo 1130033, Japan
Takemura, Akimichi
[1
]
机构:
[1] Univ Tokyo, Grad Sch Informat Sci & Technol, Bunkyo Ku, Tokyo 1130033, Japan
Algebraic statistics;
Markov basis;
Normality of semigroup;
Ranking model;
POLYTOPES;
D O I:
10.1007/s10801-013-0488-z
中图分类号:
O1 [数学];
学科分类号:
0701 ;
070101 ;
摘要:
We prove the conjecture by Diaconis and Eriksson (J. Symbolic Comput. 41(2):182-195, 2006) that the Markov degree of the Birkhoff model is three. In fact, we prove the conjecture in a generalization of the Birkhoff model, where each voter is asked to rank a fixed number, say r, of candidates among all candidates.
机构:
Univ Tokyo, Grad Sch Informat Sci & Technol, Dept Math Informat, Tokyo, JapanUniv Tokyo, Grad Sch Informat Sci & Technol, Dept Math Informat, Tokyo, Japan
Koyama, Takayuki
Ogawa, Mitsunori
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机构:
Tokyo Metropolitan Univ, Grad Sch Social Sci, Dept Business Adm, Tokyo 158, JapanUniv Tokyo, Grad Sch Informat Sci & Technol, Dept Math Informat, Tokyo, Japan
Ogawa, Mitsunori
Takemura, Akimichi
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机构:
Univ Tokyo, Grad Sch Informat Sci & Technol, Dept Math Informat, Tokyo, JapanUniv Tokyo, Grad Sch Informat Sci & Technol, Dept Math Informat, Tokyo, Japan
机构:
Jiangxi Normal Univ, Dept Math, Nanchang, Jiangxi, Peoples R China
Rutgers State Univ, Dept Math & Comp Sci, Newark, NJ 08901 USAJiangxi Normal Univ, Dept Math, Nanchang, Jiangxi, Peoples R China
Guo, Li
Paycha, Sylvie
论文数: 0引用数: 0
h-index: 0
机构:
Univ Potsdam, Inst Math, Potsdam, GermanyJiangxi Normal Univ, Dept Math, Nanchang, Jiangxi, Peoples R China
Paycha, Sylvie
Zhang, Bin
论文数: 0引用数: 0
h-index: 0
机构:
Sichuan Univ, Yangtze Ctr Math, Sch Math, Chengdu, Peoples R ChinaJiangxi Normal Univ, Dept Math, Nanchang, Jiangxi, Peoples R China
机构:
Univ Western Ontario, Dept Stat & Actuarial Sci, London, ON N6A 5B7, CanadaUniv Western Ontario, Dept Stat & Actuarial Sci, London, ON N6A 5B7, Canada
Bonner, Simon J.
Schofield, Matthew R.
论文数: 0引用数: 0
h-index: 0
机构:
Univ Otago, Dept Math & Stat, POB 56, Dunedin 9054, New ZealandUniv Western Ontario, Dept Stat & Actuarial Sci, London, ON N6A 5B7, Canada
Schofield, Matthew R.
Noren, Patrik
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h-index: 0
机构:
N Carolina State Univ, Dept Math, POB 8205, Raleigh, NC 27695 USAUniv Western Ontario, Dept Stat & Actuarial Sci, London, ON N6A 5B7, Canada
Noren, Patrik
Price, Steven J.
论文数: 0引用数: 0
h-index: 0
机构:
Univ Kentucky, Dept Forestry, Lexington, KY 40546 USAUniv Western Ontario, Dept Stat & Actuarial Sci, London, ON N6A 5B7, Canada
机构:
Univ Tokyo, Grad Sch Informat Sci & Technol, Tokyo 1138654, Japan
CREST, JST, Tokyo, JapanUniv Tokyo, Grad Sch Informat Sci & Technol, Tokyo 1138654, Japan
Takemura, Akimichi
Hara, Hisayuki
论文数: 0引用数: 0
h-index: 0
机构:
Niigata Univ, Fac Econ, Niigata 95021, JapanUniv Tokyo, Grad Sch Informat Sci & Technol, Tokyo 1138654, Japan