Search Results - "Shimomoto, Kazuma"

Finite étale extensions of Tate rings and decompletion of perfectoid algebras by Nakazato, Kei, Shimomoto, Kazuma

“…In this paper, we examine the behavior of ideal-adic separatedness and completeness under certain ring extensions using trace map. Then we prove that adic…”
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On the Witt Vectors of Perfect Rings in Positive Characteristic by Shimomoto, Kazuma

“…The purpose of this article is to prove some results on the Witt vectors of perfect F p -algebras. Let A be a perfect F p -algebra for a prime integer p, and…”
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Another proof of the almost purity theorem for perfectoid valuation rings by Ishiro, Shinnosuke, Shimomoto, Kazuma

“…The almost purity theorem is central to the geometry of perfectoid spaces and has numerous applications in algebra and geometry. This result is known to have…”
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Normal hyperplane sections of normal schemes in mixed characteristic by Horiuchi, Jun, Shimomoto, Kazuma

“…The aim of this article is to prove that, under certain conditions, an affine flat normal scheme that is of finite type over a local Dedekind scheme in mixed…”
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Specialization method in Krull dimension two and Euler system theory over normal deformation rings by Ochiai, Tadashi, Shimomoto, Kazuma

“…The aim of this article is to establish the specialization method on characteristic ideals for finitely generated torsion modules over a complete local normal…”
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Deformation of F-Injectivity and Local Cohomology by Horiuchi, Jun, Miller, Lance Edward, Shimomoto, Kazuma

“…We give a sufficient condition for F-injectivity to deform in terms of local cohomology. We show this condition is met in two geometrically interesting…”
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Hyperplane sections of non-standard graded rings by Shimomoto, Kazuma

“…The purpose of this paper is to explain a method on the generalization of the Bertini-type theorem on standard graded rings to the non-standard graded case of…”
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Integral perfectoid big Cohen–Macaulay algebras via André’s theorem by Shimomoto, Kazuma

“…The main result of this article is to prove that any Noetherian local domain of mixed characteristic maps to an integral perfectoid big Cohen–Macaulay algebra…”
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Remarks on the small Cohen-Macaulay conjecture and new instances of maximal Cohen-Macaulay modules by Shimomoto, Kazuma, Tavanfar, Ehsan

“…We show that any quasi-Gorenstein deformation of a 3-dimensional quasi-Gorenstein Buchsbaum local ring with I-invariant 1 admits a maximal Cohen-Macaulay…”
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Growth Orientation Control of Semipolar InN Films Using Yttria-Stabilized Zirconia Substrates by Fujii, Tomoaki, Kobayashi, Atsushi, Shimomoto, Kazuma, Ohta, Jitsuo, Oshima, Masaharu, Fujioka, Hiroshi

“…We have investigated the epitaxial growth of InN films on yttria-stabilized zirconia (YSZ) substrates with various surface orientations. Through systematic…”
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Characteristics of $m$-Plane InN Films Grown on ZnO Substrates at Room Temperature by Pulsed Laser Deposition by Shimomoto, Kazuma, Kobayashi, Atsushi, Mitamura, Kazuya, Ueno, Kohei, Ohta, Jitsuo, Oshima, Masaharu, Fujioka, Hiroshi

“…We have grown single-crystal $m$-plane $(1\bar{1}00)$ InN films on $m$-plane $(1\bar{1}00)$ ZnO substrates at low substrate temperatures by the use of pulsed…”
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Almost Cohen-Macaulay and almost regular algebras via almost flat extensions by Asgharzadeh, Mohsen, Shimomoto, Kazuma

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Room-temperature epitaxial growth of high-quality m -plane InGaN films on ZnO substrates by Shimomoto, Kazuma, Kobayashi, Atsushi, Ueno, Kohei, Ohta, Jitsuo, Oshima, Masaharu, Fujioka, Hiroshi, Amanai, Hidetaka, Nagao, Satoru, Horie, Hideyoshi

“…The authors have grown high‐quality m ‐plane In0.36Ga0.64N (1$ \bar 1 $00) films on ZnO (1$ \bar 1 $00) substrates at room temperature (RT) by pulsed laser…”
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F-coherent rings with applications to tight closure theory by Shimomoto, Kazuma

“…The aim of this paper is to introduce a new class of Noetherian rings of prime characteristic via perfect closure and study their basic properties. If the…”
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On the semicontinuity problem of fibers and global F-regularity by Shimomoto, Kazuma

“…In this article, we discuss the semicontinuity problem of certain properties on fibers for a morphism of schemes. One aspect of this problem is local. Namely,…”
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F-injectivity and Frobenius closure of ideals in Noetherian rings of characteristic p>0 by Quy, Pham Hung, Shimomoto, Kazuma

“…The main aim of this article is to study the relation between F-injective singularity and the Frobenius closure of parameter ideals in Noetherian rings of…”
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Hyperplane sections of non-standard graded rings by Shimomoto, Kazuma

“…The purpose of this paper is to explain a method on the generalization of the Bertini-type theorem on standard graded rings to the non-standard graded case of…”
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ALMOST COHEN-MACAULAY AND ALMOST REGULAR ALGEBRAS VIA ALMOST FLAT EXTENSIONS by ASGHARZADEH, MOHSEN, SHIMOMOTO, KAZUMA

“…The present paper deals with various aspects of the notion of almost Cohen-Macaulay property, which was introduced and studied by Roberts, Singh and Srinivas…”
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Matijevic-Roberts type theorems, Rees rings and associated graded rings by Horiuchi, Jun, Shimomoto, Kazuma

“…The aim of this article is to investigate interrelated structures lying among three notable problems in commutative algebra. These are Lifting problem,…”
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On the localization theorem for F -pure rings by Shimomoto, Kazuma, Zhang, Wenliang

“…In this article, we solve Grothendieck’s localization problem for a certain class of rings that arises from tight closure theory. It is quite essential to use…”
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