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554 results on '"Ono, Takashi"'

1. Harmonic Bundles with Symplectic Structures

Author

Ono, Takashi

Subjects
Mathematics - Algebraic Geometry, 53C07, 14J60
Abstract

We study harmonic bundles with an additional structure called symplectic structure. We study them for the case of the base manifold is compact and non-compact. For the compact case, we show that a harmonic bundle with a symplectic structure is equivalent to principle $Sp(2n,C)$-bundle with a reductive flat connection. For the non-compact case, we show that a polystable good filtered Higgs bundle with a perfect skew-symmetric pairing is equivalent to a good wild harmonic bundle with a symplectic structure., Comment: Comments are welcome! 23 pages

Published
2024

5. Structure of the Kuranishi Spaces of pairs of K\'ahler manifolds and Polystable Higgs bundles

Author

Ono, Takashi

Subjects
Mathematics - Algebraic Geometry, Mathematics - Differential Geometry
Abstract

Let $X$ be a compact K\"ahler manifold and $(E,\overline\partial_E,\theta)$ be a Higgs bundle over it. We study the structure of the Kuranishi space for the pair $(X, E,\theta)$ when the Higgs bundle admits a harmonic metric or equivalently when the Higgs bundle is polystable and the Chern classes are 0. Under such assumptions, we show that the Kuranishi space of the pair $(X,E,\theta)$ is isomorphic to the direct product of the Kuranishi space of $(E,\theta)$ and the Kuranishi space of $X$. Moreover, when $X$ is a Riemann surface and $(E,\overline\partial_E,\theta)$ is stable and the degree is 0, we show that the deformation of the pair $(X,E,\theta)$ is unobstructed and calculate the dimension of the Kuranishi space., Comment: 15 pages. Comments are welcome! Typos are fixed

Published
2023

9. Deformations of holomorphic-Higgs pairs

Author

Ono, Takashi

Subjects
Mathematics - Differential Geometry
Abstract

We study the deformation of the holomorphic-Higgs pair. The holomorphic-Higgs pair is a pair of a complex manifold and a Higgs bundle over it. We introduce the differential graded Lie algebra (DGLA) which comes from the deformation. We derive the Maurer-Cartan equation which governs the deformation of the holomorphic-Higgs pair, construct the Kuranishi family of it, and prove its local completeness., Comment: 25page. Comments are welcome!

Published
2022

10. Coexisting Lower Back Pain in Patients With Cervical Myelopathy

Author

Nakarai, Hiroyuki, Kato, So, Hirao, Yujiro, Maayan, Omri, Kawamura, Naohiro, Higashikawa, Akiro, Takeshita, Yujiro, Ono, Takashi, Fukushima, Masayoshi, Hara, Nobuhiro, Azuma, Seiichi, Iwai, Hiroki, Taniguchi, Yuki, Matsubayashi, Yoshitaka, Takeshita, Katsushi, Tanaka, Sakae, and Oshima, Yasushi

Published
2024
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16. Impact of body mass index on outcomes after lumbar spine surgery

Author

Nakajima, Koji, Miyahara, Junya, Ohtomo, Nozomu, Nagata, Kosei, Kato, So, Doi, Toru, Matsubayashi, Yoshitaka, Taniguchi, Yuki, Kawamura, Naohiro, Higashikawa, Akiro, Takeshita, Yujiro, Fukushima, Masayoshi, Ono, Takashi, Hara, Nobuhiro, Azuma, Seiichi, Iwai, Hiroki, Oshina, Masahito, Sugita, Shurei, Hirai, Shima, Masuda, Kazuhiro, Tanaka, Sakae, and Oshima, Yasushi

Published
2023
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21. Comparative Analysis of Microendoscopic and Open Laminectomy for Single-Level Lumbar Spinal Stenosis at L1–L2 or L2–L3

Author

Yamato, Yukimasa, Nagata, Kosei, Kawamura, Naohiro, Higashikawa, Akiro, Takeshita, Yujiro, Tozawa, Keiichiro, Fukushima, Masayoshi, Urayama, Daiki, Ono, Takashi, Hara, Nobuhiro, Okamoto, Naoki, Azuma, Seiichi, Iwai, Hiroki, Sugita, Shurei, Yoshida, Yuichi, Hirai, Shima, Masuda, Kazuhiro, Jim, Yu, Ohtomo, Nozomu, Nakamoto, Hideki, Kato, So, Taniguchi, Yuki, Tanaka, Sakae, and Oshima, Yasushi

Published
2024
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38. Does surgical site infection affect patient-reported outcomes after spinal surgery? A multicenter cohort study

Author

Nakamoto, Hideki, Nakajima, Koji, Miyahara, Junya, Kato, So, Doi, Toru, Taniguchi, Yuki, Matsubayashi, Yoshitaka, Nishizawa, Mitsuhiro, Kawamura, Naohiro, Kumanomido, Yudai, Higashikawa, Akiro, Sasaki, Katsuyuki, Takeshita, Yujiro, Fukushima, Masayoshi, Iizuka, Masaaki, Ono, Takashi, Yu, Jim, Hara, Nobuhiro, Okamoto, Naoki, Azuma, Seiichi, Inanami, Hirohiko, Sakamoto, Ryuji, Tanaka, Sakae, and Oshima, Yasushi

Published
2023
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43. NF-κB Decoy Oligodeoxynucleotide-Loaded Poly Lactic-co-glycolic Acid Nanospheres Facilitate Socket Healing in Orthodontic Tooth Movement

Author

Huang, Albert chun-shuo, primary, Ishida, Yuji, additional, Hatano-sato, Kasumi, additional, Oishi, Shuji, additional, Hosomichi, Jun, additional, Usumi-fujita, Risa, additional, Yamaguchi, Hiroyuki, additional, Tsujimoto, Hiroyuki, additional, Sasai, Aiko, additional, Ochi, Ayaka, additional, and Ono, Takashi, additional

Published
2024
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47. Epidemiological and clinical characteristics of infections with seasonal human coronavirus and respiratory syncytial virus in hospitalized children immediately before the coronavirus disease 2019 pandemic

Author

Kume, Yohei, Hashimoto, Koichi, Shirato, Kazuya, Norito, Sakurako, Suwa, Reiko, Chishiki, Mina, Ono, Takashi, Mashiyama, Fumi, Mochizuki, Izumi, Sato, Masatoki, Ishibashi, Naohisa, Suzuki, Shigeo, Sakuma, Hiroko, Takahashi, Hitoshi, Takeda, Makoto, and Hosoya, Mitsuaki

Published
2022
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