1
1. The Days of Ideogram
2. Language and I
3. Simone Weil's LA PESANTEUR ET LA GRACE again
4. THE ROAD TO REALITY A Complete Guide to the Laws of the Universe, 2005 by Roger Penrose
5. True-false problem of the Crete
6. Macro Time and Micro Time
7. Bridge across mathematics and physics / Revised
8. Karcevskij conjecture 1928 and Kawamata conjecture 2002
9. Roman Jakobson
10. The First Paper on Inherent Time in Word

2
1. Genealogical Tree of Sekinan's Paper Sixth Edition
2. Derived Category Language 3. Language stability and triangulated category
3. Kontsevich's conjecture. Category theoretic mirror symmetry conjecture
4. The comparison between 2003 and 2017. From Chinese character's meaning structure to Homological algebraic model of language universals
5. Additional meaning and embedding
6. Derived Category Language
7. Homology Language
8. Language, amalgamation of mathematics and physics

3
1. Meaning minimum 2017 Edition
2. The comparison between 2003 and 2017 From Chinese character's meaning structure to Homological algebraic model of 3. language universals 
3. Edward Sapir gave me a moment to study language universals together with Sergej Karcevskij
4. Letter to Y on The exhibition Alberto Giacometti. National New Art Centre. Roppongi, Tokyo
5. Simone Weil's LA PESANTEUR ET LA GRACE again
6. Glitter of youth through philosophy and mathematics in 1970s
7. ONO Shinobu and Bernhard Karlgren over the Chinese classical study
8. Prague Theory

4
1. Reread Andre Martinet's ELEMENTS DE LINGUISTIQUE GENERALE, 1970
2. Read Susan Sontag Now I am enough old for remembering the past
3. Sixties, For Susan Sontag
4. Half farewell to Sergej Karcevskij and the Linguistic Circle of Prague
5. Winding road to physics
6. Roman Jakobson References added
7. Geometry is the only one expression for me to describe language universals containing the time which is one of the important elements of meaning
8. Winter comes as if grace arrives
9. The Complete Works of TANIYAMA Yutaka,1994

5
1. Hurrying up to library
2. Pleasure of Mathematics
3.From Distance to Pseudo-Kobayashi-Distance
4. Mathematics and sculpture
5. 48 Letter from the story Papa Wonderful
6. Late spring trip

6
1.Story 2  Title: To Winter Author: RI Ko Publisher: Sekinan Library Publish year: 2015
2. To Winter English Precise Heading
3. Story 3 Resting Elbows Nearly Prayer
4.Three Themes on Language


7
1. Letter to Y On the blanks of text at PC
2. 10 Extracts from Tale, Print, 2012
3. The Days and the Time
4. For WITTGENSTEIN Ludwig Revised with Symplectic Language Theory and Floer Homology Language
5. Bourbaki' ELEMENTS DE MATHEMATIUE THEORIE DES ENSEMBLES Fascicule de resiltats Troisieme edition, 1964 
6. CHINO Eiichi and Golden Prague
7. Linguistic Circle of Prague
8. Sekinan Table

8
1. Writing Style of the Papers in 2013 Text revised and references added 2018
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