立命館大学数理科学科

• Date : 25 Jun. (Thu)
• Place: W.W. 7th-floor, 4th lab.
• Time : 16:30-18:00
• Speaker: Yasushi Ishikawa (Ehime University)

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• Date : 18 Jun. (Thu)
• Place: W.W. 7th-floor, 4th lab.
• Time : 16:30-18:00
• Speaker: Pham Hai Ha (Duy Tan University)

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• Date : 11 Jun. (Thu)
• Place: W.W. 7th-floor, 4th lab.
• Time : 16:30-18:00
• Speaker: Kenji Yasutomi (Ritsumeikan University)

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• Date : 4 Jun. (Thu)
• Place: W.W. 7th-floor, 4th lab.
• Time : 16:30-18:00
• Speaker: Jens Wittsten (Ritsumeikan University)

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• Date : 21 May (Thu)
• Place: W.W. 7th-floor, 4th lab.
• Time : 16:30-18:00
• Speaker: Yasuhiro Tsubo (Ritsumeikan University)

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• Date : 14 May (Thu)
• Place: W.W. 7th-floor, 4th lab.
• Time : 16:30-18:00
• Speaker: Takanori Adachi (Ritsumeikan University)

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• Date : 7 May (Thu)
• Place: W.W. 7th-floor, 4th lab.
• Time : 16:30-18:00
• Speaker: Tomonori Nakatsu (Ritsumeikan University)

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• Date : 30 Apr. (Thu)
• Place: W.W. 7th-floor, 4th lab.
• Time : 16:30-18:00
• Speaker: Azmi Makhlouf

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日時： 2015年4月23日(木)　
場所： 立命館大学 BKCキャンパス フォレストハウス1階 F109

時間：16:30 — 17:10
講演者：Seung-Hyeok Kye氏（ソウル国立大学）
講演題目：Positive bi-linear maps as tri-partite entanglement witnesses
アブストラクト：We introduce various notions of positivity for bi-linear maps in operator systems. They are witnesses for various notions of tri-partite entanglement when the domains and ranges are matrix algebras. We present concrete examples of witnesses for three qubit entanglement.

時間：17:20 — 18:00
講演者：内海 和樹氏（立命館大学）
講演題目：Classification problems of Jacobian fibrations on K3 surfaces
アブストラクト：Jacobian fibrations on K3 surfaces can be regarded as elliptic curves over the rational function field. We introduce classification problems and their answers for some K3 surfaces.