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  1. No Access

    Article

    Generation of functional oocytes from male mice in vitro

    Sex chromosome disorders severely compromise gametogenesis in both males and females. In oogenesis, the presence of an additional Y chromosome or the loss of an X chromosome disturbs the robust production of o...

    Kenta Murakami, Nobuhiko Hamazaki, Norio Hamada, Go Nagamatsu, Ikuhiro Okamoto in Nature (2023)

  2. Article

    Open Access

    The effects of pregnancy discrimination on postpartum depressive symptoms: a follow-up study

    Pregnancy discrimination in the workplace is prevalent worldwide. However, few studies have examined the effects of pregnancy discrimination on mothers’ perinatal mental health. We aimed to investigate the ass...

    Yuko Kachi, Takeo Fujiwara, Akiomi Inoue, Sachiko Baba in BMC Pregnancy and Childbirth (2022)

  3. Article

    Open Access

    Exploration of serum biomarkers in dogs with malignant melanoma receiving anti-PD-L1 therapy and potential of COX-2 inhibition for combination therapy

    Immune checkpoint inhibitors (ICIs) such as anti-PD-L1 antibodies are widely used to treat human cancers, and growing evidence suggests that ICIs are promising treatments for canine malignancies. However, only...

    Naoya Maekawa, Satoru Konnai, Yumie Asano, Yamato Sajiki in Scientific Reports (2022)

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    Article

    Construction of a linear K-system in Hamiltonian Floer theory

    The notion of linear K-system was introduced by the present authors as an abstract model arising from the structure of compactified moduli spaces of solutions to Floer’s equation in the book (Fukaya et al. in ...

    Kenji Fukaya, Yong-Geun Oh, Hiroshi Ohta in Journal of Fixed Point Theory and Applicat… (2022)

  5. No Access

    Chapter

    Construction of a linear K-system in Hamiltonian Floer theory

    The notion of linear K-system was introduced by the present authors as an abstract model.

    Kenji Fukaya, Yong-Geun Oh, Hiroshi Ohta, Kaoru Ono in Symplectic Geometry (2022)

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    Article

    One-year limb outcome and mortality in patients undergoing revascularization therapy for acute limb ischemia: short-term results of the Edo registry

    The present study aimed to clarify the current status, therapeutic strategy, and 1-year outcome in acute limb ischemia (ALI) patients in Japan. The EnDOvascular treatment (Edo) registry database includes 324 p...

    Michiaki Higashitani, Hitoshi Anzai in Cardiovascular Intervention and Therapeuti… (2021)

  7. Article

    Open Access

    PD-L1 immunohistochemistry for canine cancers and clinical benefit of anti-PD-L1 antibody in dogs with pulmonary metastatic oral malignant melanoma

    Immunotherapy targeting programmed cell death 1 (PD-1) and PD-ligand 1 (PD-L1) represents promising treatments for human cancers. Our previous studies demonstrated PD-L1 overexpression in some canine cancers, ...

    Naoya Maekawa, Satoru Konnai, Maki Nishimura, Yumiko Kagawa in npj Precision Oncology (2021)

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    Chapter

    Why Japan Is No-Longer a Front-Runner: Domestic Politics, Renewable Energy, and Climate Change Policy

    Why is Japan so reluctant to take a leadership role in global climate change negotiations and is trailing in the development of renewable energy? This chapter argues that the source of Japan’s inaction in clim...

    Hiroshi Ohta in New Challenges and Solutions for Renewable Energy (2021)

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    Chapter

    Notations and Conventions

    We use ‘hat’ such as U ^ \(\widehat {\mathcal U}\) , f ^ \(\widehat {f}\) , 𝔖 ^ \(\widehat {\mathfrak S}\) , h ^ \(\widehat {h}\) for an object defined on a Kuranishi ...

    Kenji Fukaya, Yong-Geun Oh, Hiroshi Ohta in Kuranishi Structures and Virtual Fundament… (2020)

  10. No Access

    Chapter

    Composition of KG-and GG-Embeddings: Proof of Lemma 3.34

    Proof of Lemma 3.34

    Kenji Fukaya, Yong-Geun Oh, Hiroshi Ohta in Kuranishi Structures and Virtual Fundament… (2020)

  11. No Access

    Chapter

    Local System and Smooth Correspondence in de Rham Theory with Twisted Coefficients

    Let \(\mathcal L\) be a local system, i.e., a flat vector bundle, on a manifold M. We denote by ( Ω • ( M ; ℒ ) = Γ ( M ; ∧ • T ∗ M ⊗ ℒ ) , d = d ℒ ) $$(\Omega ^{\bullet }(...

    Kenji Fukaya, Yong-Geun Oh, Hiroshi Ohta in Kuranishi Structures and Virtual Fundament… (2020)

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    Chapter

    Global Quotients and Orbifolds

    In some of our earlier writings we assumed that a Kuranishi neighborhood is not only an orbifold but also is a quotient of a manifold by a finite group action globally. We explain that there is no difference b...

    Kenji Fukaya, Yong-Geun Oh, Hiroshi Ohta in Kuranishi Structures and Virtual Fundament… (2020)

  13. No Access

    Chapter

    Linear K-Systems: Floer Cohomology III – Morse Case by Multisection

    In this chapter we provide the way we associate Floer cohomology with ground ring \({\mathbb Q}\) to a linear K-system when the critical submanifolds are 0-dimensional.

    Kenji Fukaya, Yong-Geun Oh, Hiroshi Ohta in Kuranishi Structures and Virtual Fundament… (2020)

  14. No Access

    Chapter

    Corner Smoothing and Composition of Morphisms

    The goal of this chapter is to define composition of morphisms of linear K-systems (Lemma-Definition 18.37) and to show that it is associative (Proposition 18.41). There are two key ingredients for the constru...

    Kenji Fukaya, Yong-Geun Oh, Hiroshi Ohta in Kuranishi Structures and Virtual Fundament… (2020)

  15. No Access

    Chapter

    Tree-Like K-Systems: A Structure II – Proof

    In this chapter we prove Theorem 21.35. The proof is mostly parallel to the proofs given in Chap. 19, and also similar to those given in [FOOO4, Subection 7.2], [Fuk4].

    Kenji Fukaya, Yong-Geun Oh, Hiroshi Ohta in Kuranishi Structures and Virtual Fundament… (2020)

  16. No Access

    Chapter

    Covering Space of Effective Orbifolds and K-Spaces

    We first define the notion of a covering space of an orbifold. Let U 1, U 2 be orbifolds and let π : U 1 → U 2 be a continuous map between their underlying topological spaces.

    Kenji Fukaya, Yong-Geun Oh, Hiroshi Ohta in Kuranishi Structures and Virtual Fundament… (2020)

  17. No Access

    Chapter

    Fiber Product of Kuranishi Structures

    Before studying fiber products we consider direct products. Let X i, i = 1, 2 be separable metrizable spaces, Z i ⊆ X i compact subsets, and U ^ i \(\widehat {\mathcal U}_i\) Kuranishi structure...

    Kenji Fukaya, Yong-Geun Oh, Hiroshi Ohta in Kuranishi Structures and Virtual Fundament… (2020)

  18. No Access

    Chapter

    Stratified Submersion to a Manifold with Corners

    In Definition 3.44 we defined the notions of a strongly smooth map and weakly submersive map from a K-space to a manifold without boundary or corners. In this chapter we give the corresponding definitions for ...

    Kenji Fukaya, Yong-Geun Oh, Hiroshi Ohta in Kuranishi Structures and Virtual Fundament… (2020)

  19. No Access

    Chapter

    Multivalued Perturbations

    We next define the notion of multivalued perturbations associated to a given good coordinate system.

    Kenji Fukaya, Yong-Geun Oh, Hiroshi Ohta in Kuranishi Structures and Virtual Fundament… (2020)

  20. No Access

    Chapter

    Stokes’ Formula

    In this chapter, we state and prove Stokes’ formula. We first discuss the notion of a boundary or a corner of an orbifold and of a Kuranishi structure in more detail. The discussion below is a detailed version...

    Kenji Fukaya, Yong-Geun Oh, Hiroshi Ohta in Kuranishi Structures and Virtual Fundament… (2020)

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