| Project/Area Number |
09640248
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| Research Category |
Grant-in-Aid for Scientific Research (C)
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| Allocation Type | Single-year Grants |
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| Section | 一般 |
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| Research Field |
General mathematics (including Probability theory/Statistical mathematics)
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| Research Institution | Tokyo Institute of Technology |
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Principal Investigator |
TAKAHASHI-HORAI Masako Tokyo Institute of Technology, Mathematical and Computing Sciences, Professor, 大学院・情報理工学研究科, 教授 (00015588)
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| Co-Investigator(Kenkyū-buntansha) |
寶来 正子 東京工業大学, 大学院・情報理工学研究科, 教授 (00015588)
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| Project Period (FY) |
1997 – 1999
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| Project Status |
Completed (Fiscal Year 1999)
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| Budget Amount *help |
¥1,800,000 (Direct Cost: ¥1,800,000)
Fiscal Year 1999: ¥600,000 (Direct Cost: ¥600,000)
Fiscal Year 1998: ¥500,000 (Direct Cost: ¥500,000)
Fiscal Year 1997: ¥700,000 (Direct Cost: ¥700,000)
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| Keywords | computability / higher-order types / intuitionistic higher-order logic / Curry-Howard isomorphism / λ-calculus / term algebra / 単純型つきラムダ計算 / 自由代数 / 項代数 / 語に対する帰納的関数 / 型理論 / 証明論 / 高階理論 / 原始帰納法 / 単純型理論 / 単一化問題 / マッチング問題 / 帰納的関数 |
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| Research Abstract |
It is shown that the Curry-Howard isomorphism between higher-order intuitionistic logic and Calculus of Constructions can be better formulated when a modified version of higher-order type theory λPREDω is introduced. Also studied are the lambda-representability of functions over free structures with respect to the simple type system, as well as the notion of recursive functions over free-structures.
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