103,621 research outputs found

    Rooted tree maps and the Kawashima relations for multiple zeta values

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    Recently, inspired by the Connes-Kreimer Hopf algebra of rooted trees, the second named author introduced rooted tree maps as a family of linear maps on the noncommutative polynomial algebra in two letters. These give a class of relations among multiple zeta values, which are known to be a subclass of the so-called linear part of the Kawashima relations. In this paper we show the opposite implication, that is the linear part of the Kawashima relations is implied by the relations coming from rooted tree maps

    Excerpt, Oral History Interview, Hope Gertrude (Omachi) Kawashima

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    Excerpt, summary, and index of an oral history interview of Hope Gertrude (Omachi) Kawashima. Conducted by Wesley Ueunten and Grace Shimizu on September 16, 2011, in Clovis, CA. Transcribed by Carol Wong. Excerpt available online at https://vimeo.com/412914426This transcript was created as part of Secrets Revealed: The Presidio Project, produced by the National Japanese American Historical Society, Inc. The project reveals untold stories of Nisei former camp inmates, including U.S. Army enlistees, during World War 2.NATIONAL JAPANESE AMERICAN HISTORICAL SOCIETY 1684 Post Street San Francisco, California 94115-3604 An Interview on September 16, 2011 with Hope Gertrude (Omachi) Kawashima Conducted by Wesley Ueunten Grace Shimizu Oral History Summary, Keywords, Excerpt, and Index “Secrets Revealed: The Presidio Project” © 2011 NATIONAL JAPANESE AMERICAN HISTORICAL SOCIETY, INC. NATIONAL JAPANESE AMERICAN HISTORICAL SOCIETY 1684 Post Street San Francisco, California 94115-3604 Interviewee: Hope Gertrude (Omachi) Kawashima Interviewer: Wesley Ueunten and Grace Shimizu Transcriber: Carol Wong Editor: Grace Shimizu Location: United Japanese Christian Church, Clovis, California Date: September 23, 2011 Summary: Hope Kawashima, a Sansei who grew up in Loomis, California, was forced from her home to Marysville Temporary WCCA “Assembly Center” before being forcibly moved to Tule Lake WRA Concentration Camp. Kawashima describes how her father, a Nisei who was also raised in Loomis, strongly opposed the government’s actions of forcibly removing and incarcerating Japanese Americans and believed them to be unjust. Kawashima recalls first moving from Tule Lake to Idaho, where her father found work, to Topaz WRA Concentration Camp where she was able to attend school but experienced harsh winter conditions. Throughout the interview, Kawashima reflects on the trauma that she and her family experienced and how it had a lasting effect on her life: watching her house go up in flames while being forcibly removed from Loomis; her mother’s depression following a failed pregnancy; Kawashima’s own struggles to speak up in front of a crowd. She ends the interview with a message of resilience in the face of adversity. Keywords: Immigration: picture bride | Pre-WWII: Employment – agriculture | Community Activities and Organizations – religion, Christianity | Pearl Harbor: war hysteria | Forced Removal: personal, property, and financial loss | Marysville Temporary WCCA “Assembly Center” | Tule Lake WRA Concentration Camp | Life in Camp: family structure, psychological impact, living conditions – extreme weather, activities, holidays, education | Leaving Camp: work leave | Topaz WRA Concentration Camp | Resettlement | Effects of WWII Experience: trauma Oral History Excerpt: 00:17:38.77 [T]he war broke out before I started school because they didn’t have kindergarten then. … We had to go, first, to the Marysville Assembly Center, and then I remember taking the train to Tule Lake, California. … We lived in those tar paper barracks, all of us in one room. … [S]ince … my mom and … [dad] were both born in California, and we were all born in California, we were all United States citizens. So, he always said they had no right to do this. … [H]e didn’t want to go voluntarily. … He waited until a truck load of soldiers came with the bayonets and forced us to move. … [W]e had, of course, to get on the truck, and then go to Marysville, and move. But while we were leaving, we noticed that our house was burning. Someone had set the house on fire so that they’d be sure that we wouldn’t come back, I guess. Index: 00:00:00.00 Basic biographical information 00:00:40.60 Maternal grandfather’s immigration story 00:01:56.16 Maternal grandmother as a picture bride; her immigration story 00:04:22.04 Maternal grandparents’ family background 00:05:43.75 Paternal grandparents’ immigration story; work in agriculture; divorce and remarriage 00:08:31.08 Paternal grandfather converts to Christianity; helps to start a Methodist Church in Loomis 00:10:27.99 Japanese American community comes together to build the church 00:11:23.87 Parents growing up in Loomis 00:14:20.23 The effect of a samurai background on the family 00:15:20.88 Relationship with Paternal grandmother; having a language barrier 00:15:52.73 Upbringing in Loomis, CA 00:17:10.39 Interactions with other Japanese Americans growing up 00:17:38.77 Being forced from her home; father's belief that the forced removal was unjust; house set on fire 00:19:17.12 Preparing to leave for camp; brining the piano 00:21:16.66 Family’s reactions to Pearl Harbor attack 00:22:02.75 Parents’ reactions to Pearl Harbor attack; tensions within the community over the success of Japanese immigrants 00:23:15.86 Restrictions on assembly 00:23:24.16 Eviction and incarceration at Tule Lake WRA Concentration Camp; feelings and reactions as a young child 00:25:08.40 First impressions of Tule Lake 00:26:23.96 Grandmother's experience in camp; mother's struggle, having a stillborn; father leaving to work in Idaho 00:28:22.86 Activities in camp as a young child; grandmother making crafts and jewelry with seashells 00:29:49.67 Moving to Idaho with family; experiencing racial prejudice as a young girl; applying for transfer to Topaz WRA Concentration Camp 00:31:26.28 Harsh winter conditions in Topaz; being sick 00:31:28.85 Explanation of her name 00:34:04.74 Impressions of Topaz; dust storms 00:35:02.40 A dog in camp 00:36:00.59 Living conditions at Topaz 00:37:27.14 Meals at Topaz 00:38:31.24 The holiday season in camp 00:39:30.80 Discussing incarceration experiences with family 00:40:30.16 Impact of camp on her personality; effects of trauma 00:41:39.57 Crying and singing in camp 00:44:41.02 Message for young people 00:45:47.71 Leaving her pets while going to camp; resettlemen

    Efektivitas Metode DR Kawashima dalam Meningkatkan Kemampuan Matematika Anak Autis

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    Penelitian ini bertujuan untuk menguji efektivitas metode DR Kawashima dalam meningkatkan kemampuan matematika anak penyandang autis. Autis merupakan gangguan perkembangan pada anak yang menyebabkan kemampuan komunikasi dan sosialisasi anak terganggu. Dalam penelitian ini metode yang digunakan adalah eksperimen. Karakteristik penelitian eksperimen dalam penelitian ini meliputi: manipulasi, pengendalian atau control, dan pengamatan. Desain kuantitatif yang akan digunakan dalam penelitian ini berupa desain penelitian eksperimen The one-group pretest-posttest design. Pengujian yang digunakan dengan memakai uji t untuk sampel nonindependen dan uji beda t-test dengan sampel berhubungan SPSS. Hasil penelitian eksperimen ini mengungkapkan bahwa metode latihan otak DR Kawashima mampu meningkatkan kemampuan matematika siswa yang menyandang status autis. Hal ini bisa dilihat baik dengan perhitungan uji-t sampel nonindependen maupun uji beda t-test dengan sampel berhubungan SPSS, didapatkan bahwa hipotesis nol ditolak dan menerima hipotesis alternatif, dimana dinyatakan bahwa kedua kelompok berbeda secara signifikan

    Fourier Transform Microwave Spectra Of Cis-3-hexenal, Trans-3-hexenal, Cis-2-hexenal And Trans-2-hexenal: Structural Isomers And Isomerization

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    {\it cis}-3-Hexenal ({\it c}3-HA; O=CH-CH2_2-CH=CH-CH2_2-CH3_3) is known as an odor molecule of grass and the {\it c}3-HA easily isomerizes to {\it trans}-2-hexenal ({\it t}2-HA). Rotational spectra of the {\it c}3-HA and its structural isomers were observed by Fourier transform microwave (FTMW) spectroscopy in the frequency region 4.8-23 GHz. We reported that two conformers of the {\it c}3-HA, {\it SG’cS} and {\it CScS}, were assigned\footnote{S. Yoshizawa, N. Kuze and Y. Kawashima, ISMS2019, P3866 (2019).}: in {\it SG’cS}, {\it S}, {\it G’}, {\it c}, and {\it S} in order denote the {\it skew}, {\it gauche’}, {\it cis} and {\it skew} around the dihedral angles OC(1)C(2)C(3), C(1)C(2)C(3)=C(4), C(2)C(3)=C(4)C(5) and C(3)=C(4)C(5)C(6), respectively. We found other four conformers which were assigned to the {\it SStS} and {\it S’S’tS} conformers of {\it trans}-3-hexenal ({\it t}3-HA), and the {\it TcSG’} and {\it TcST} conformers of {\it cis}-2-hexenal ({\it c}2-HA) by comparing from the results of ab initio calculation. We also observed the rotational spectra of the {\it t}2-HA which had been reported in 2015\footnote{R. Yokoyama, Y. Kawashima, and E Hirota, 9th Annual Meeting on Molecular Science, Tokyo, 4P008 (2015).}. The spectra of the {\it c}3-HA and {\it t}3-HA were observed in room temperature. When the nozzle temperature increased, the maximum of spectral intensities of the {\it c}3-HA and {\it t}3-HA reach at around 350 K while the intensities of the {\it t}2-HA and {\it c}2-HA are stronger. This evidence shows that the {\it c}3-HA and {\it t}3-HA isomerized into the {\it t}2-HA and {\it c}2-HA

    Raw data: Frequency- and phase-dependent effects of auditory entrainment on attentional blink

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    Raw data for: Kawashima, T., Shibusawa, S., & Amano, K. (2022). Frequency- and phase-dependent effects of auditory entrainment on attentional blink. European Journal of Neuroscience. https://doi.org/10.1111/ejn.1576

    New technique for producing a strong multi-pole magnet

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    A new technique for producing strong multipole magnet is developed. A cylindrical magnet oriented with its easy axis of magnetization perpendicular to the cylinder axis is magnetized by a multipole magnetizer. This procedure results in a multipole magnet with a flux density almost sixty percent greater than the flux density produced by a multi-pole magnet which is not oriented. The technique is especially effective for producing small cylindrical magnets with many poles and agreement of a theoretical analysis with experimental results is very good, with deviations of no more than a few percent.</p

    Fourier Transform Microwave Spectra Of 1-pentanethiol-d

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    We have been observing the rotational spectra of the 1-pentanethiol (1-C5_5SH; C(5)H3_3C(4)H2_2-C(3)H2_2C(2)H2_2C(1)H2_2SH) by Fourier transform microwave (FTMW) spectroscopy. So far, eight conformers of the normal species for 1-C5_5SH have been identified by FTMW spectroscopy and the quantum chemical calculations\footnote{ K. Suzuki, N. Kuze and Y. Kawashima, ISMS, WI05 (2019).}. They are {\it TTTg}, {\it TTTt}, {\it TTGg}, {\it TTGg’}, {\it TGTg}, {\it TGTg’}, {\it GTTg}, and {\it GTTg’}. The nomenclature of the conformer such as {\it TTGg’} is based on the conformation of the molecular skeleton around the C(4)-C(3), C(3)-C(2), C(2)-C(1), and C(1)-S axis, respectively. This means that {\it TTGg’} represents trans ({\it T}), trans ({\it T}), clockwise gauche ({\it G}) and anti-clockwise gauche ({\it g’}) conformers. In this work, we observed the isotopologues the 1-pentanethiol such as the deuterated species in the thiol group, 1-C5_5SD. The rotational spectral lines of the seven conformers in 1- C5_5SD, except for {\it TTTt}, were assigned as in 1-C5_5SH. In the {\it TTTg} conformer of 1-C5_5SH, characteristic splittings were observed in the rotational spectral lines of the {\it c}-type transitions. They are due to the tunneling splitting by the torsional motion of the SH group. Therefore, we focused on the line spllitings in the {\it c}-type transition of the {\it TTTg} conformer of 1-C5_5SD and compared our results with data from 1-C5_5SH and related compounds, 1-butanethiol\footnote{ Y. Kawashima, Y. Tanaka, T. Uzuyama, and E. Hirota, {\it J. Phys. Chem. A}, 125, 1166-1183 (2021).}, 1-propanethiol and 1-ethanethiol

    Letter, [Author unclear] to Paulina T. Merritt

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    Handwritten letter to Paulina Merritt from an unknown author, October 1, 1876.

    New structural conditions on decay property with regularity-loss for symmetric hyperbolic systems with non-symmetric relaxation

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    This paper is concerned with the weak dissipative structure for linear symmetric hyperbolic systems with relaxation. The authors of this paper had already analyzed the new dissipative structure called the regularity-loss type in [Y. Ueda, R. Duan and S. Kawashima, Decay structure for symmetric hyperbolic systems with non-symmetric relaxation and its application, Arch. Ration. Mech. Anal. 205 (2012) 239–266]. Compared with the dissipative structure of the standard type in [T. Umeda, S. Kawashima and Y. Shizuta, On the devay of solutions to the linearized equations of electro-magneto-fluid dynamics, Japan J. Appl. Math. 1 (1984) 435–457; Y. Shizuta and S. Kawashima, Systems of equations of hyperbolic-parabolic type with applications to the discrete Boltzmann equation, Hokkaido Math. J. 14 (1985) 249–275], the regularity-loss type possesses a weaker structure in the high-frequency region in the Fourier space. Furthermore, there are some physical models which have more complicated structure, which we discussed in [Y. Ueda, R. Duan and S. Kawashima, Decay structure of two hyperbolic relaxation models with regularity loss, Kyoto J. Math. 57(2) (2017) 235–292]. Under this situation, we introduce new concepts and extend our previous results developed in [Y. Ueda, R. Duan and S. Kawashima, Decay structure for symmetric hyperbolic systems with non-symmetric relaxation and its application, Arch. Ration. Mech. Anal. 205 (2012) 239–266] to cover those complicated models.</jats:p

    サーキュラーエコノミーニオケルポリニュウサンノヤクワリノコウジョウ:クサリエンチョウニヨルコウブンシカカラセイブンカイセイヲユウスルビセイブツノドウテイマデ

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    Material from Kawashima N., Tokuda J., Yagi T., et al., Isolation of a Norcardiopsis chromatogenesis Strain that Degrade Poly(lactic acid) in Pig Waste-based Compost, Arch. Microbiol. 2022, Springer Nature. DOI: 10.1007/s00203-022-03144-wThis doctoral thesis is related to the following article: Kawashima N., Usugi S.i., Ogawa R.. Diisocyanate-based chain extension via Mg(II) catalyzed amide formation to high-molecular-weight poly(lactic acid). Journal of Polymer Science 61, 2506 (2023); https://doi.org/10.1002/pol.20230284
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