Normal Subgroup of Product of Groups
Okazaki, Hiroyuki, Arai, Kenichi, Shidama, Yasunari
Open Mapping Theorem
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Isometric Differentiable Functions on Real Normed Space
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Riemann Integral of Functions from ℝ into Real Banach Space
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Equivalent Expressions of Direct Sum Decomposition of Groups1
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Double Sequences and Limits
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Free ℤ-module
Futa, Yuichi, Okazaki, Hiroyuki, Shidama, Yasunari
Hopf Extension Theorem of Measure
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The Measurability of Complex-Valued Functional Sequences
Narita, Keiko, Endou, Noboru, Shidama, Yasunari
Probability on Finite Set and Real-Valued Random Variables
Okazaki, Hiroyuki, Shidama, Yasunari
Gaussian Integers
Futa, Yuichi, Okazaki, Hiroyuki, Mizushima, Daichi, Shidama, Yasunari
Contracting Mapping on Normed Linear Space
Miyajima, Keiichi, Korniłowicz, Artur, Shidama, Yasunari