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Dive into the research topics where Yugen Takegahara is active.

Publication


Featured researches published by Yugen Takegahara.


Annals of Combinatorics | 2001

p-Divisibility of the Number of Solutions of xp = 1 in a Symmetric Group

Hideki Ishihara; Hiroyuki Ochiai; Yugen Takegahara; Tomoyuki Yoshida

Abstract. For a prime p and for the number a(n) of solutions of xp = 1 in the symmetric group on n letters, ordp


Communications in Algebra | 2000

The Number of Homomorphisms from a Finite Abelian Group to a Symmetric Group (II)

Yugen Takegahara

(a(n)) \geq [n/p] - [n/p^2]


Combinatorica | 1998

On Butler's Unimodality Result

Yugen Takegahara

, and especially, ordp


Communications in Algebra | 2008

Character Theoretical Aspects of Nilpotency Class

Yugen Takegahara; Tomoyuki Yoshida

(a(n)) = [n/p] - [n/p^2]


Archive | 2000

On Wohlfahrt Formula for Finite Abelian Groups

Yugen Takegahara

provided


Journal of Algebra | 2000

On the Number of Homomorphisms from a Finite Group to a General Linear Group

Naoki Chigira; Yugen Takegahara; Tomoyuki Yoshida

n \equiv 0


Journal of Algebra | 2002

A Generating Function for the Number of Homomorphisms from a Finitely Generated Abelian Group to an Alternating Group

Yugen Takegahara

mod p2. Let r be an integer with


Journal of Algebra | 1999

On the Frobenius Numbers of Symmetric Groups

Yugen Takegahara

1 \leq r \leq p^2 - 1


Journal of Algebra | 2016

The units of a partial Burnside ring relative to the Young subgroups of a symmetric group

Fumihito Oda; Yugen Takegahara; Tomoyuki Yoshida

. If ordp


Journal of Algebra | 2010

Multiple Burnside rings and Brauer induction formulae

Yugen Takegahara

(a(r)) \leq [r/p] + 1

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Fumihito Oda

Toyama National College of Technology

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Naoki Chigira

Muroran Institute of Technology

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