Search Results - "Izuchi, Yuko"

Synthesis and Structural Revision of Phomopsin B, a Novel Polyketide Carrying a 10-Membered Cyclic-Ether Ring by Izuchi, Yuko, Koshino, Hiroyuki, Hongo, Yayoi, Kanomata, Nobuhiro, Takahashi, Shunya

“…Total synthesis of the proposed structure 2 for phomopsin B was achieved by using an intramolecular olefin metathesis as a key step. The spectral data,…”
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Ranks of Cross-Commutators and Unitary Module Maps by Izuchi, Kei Ji, Izuchi, Kou Hei, Izuchi, Yuko

“…Let M be an invariant subspace of H 2 over the bi-disk and N = H 2 ⊖ M . Let S z , N , S w , N be the compression of the multiplication operators T z , T w on…”
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Gleason parts and countably generated closed ideals in H^\infty by Izuchi, Kei Ji, Izuchi, Yuko

“…It is proved that a countably generated closed ideal in H^\infty is generated by two Carleson-Newman Blaschke products as a closed ideal…”
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Blaschke products and the rank of backward shift invariant subspaces over the bidisk by Izuchi, Kei Ji, Izuchi, Kou Hei, Izuchi, Yuko

“…Let H 2 ( D 2 ) be the Hardy space over the bidisk. For sequences of Blaschke products { φ n ( z ) : − ∞ < n < ∞ } and { ψ n ( w ) : − ∞ < n < ∞ } satisfying…”
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SPLITTING INVARIANT SUBSPACES IN THE HARDY SPACE OVER THE BIDISK by IZUCHI, KEI JI, IZUCHI, KOU HEI, IZUCHI, YUKO

“…Let $H^{2}$ be the Hardy space over the bidisk. It is known that Hilbert–Schmidt invariant subspaces of $H^{2}$ have nice properties. An invariant subspace…”
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Gleason Parts and Closed Ideals in Douglas Algebras by Izuchi, Kei Ji, Izuchi, Yuko

“…Recently, the study of the structure of closed ideals in H ∞ whose zero sets are contained in G , the union set of non-trivial Gleason parts, has progressed…”
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Zero based invariant subspaces and fringe operators over the bidisk by Kei Ji Izuchi, Kou Hei Izuchi, Yuko Izuchi

“…Let $M$ be an invariant subspace of $H^2$ over the bidisk. Associated with $M$, we have the fringe operator $F^M_z$ on $M\om w M$. It is studied the…”
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Rank of Finite Rudin Type Backward Shift Invariant Subspaces Over the Bidisk by Izuchi, Kei Ji, Izuchi, Kou Hei, Izuchi, Yuko

“…The paper studies the rank of finite Rudin type backward shift invariant subspaces over the bidisk…”
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Ranks of backward shift invariant subspaces of the Hardy space over the bidisk by Izuchi, Kei Ji, Izuchi, Kou Hei, Izuchi, Yuko

“…Let be a sequence of inner functions satisfying that for every and has no nonconstant common inner divisors. Associated with it, we have a Rudin type invariant…”
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Path connected components in weighted composition operators on h^\infty and H^\infty with the operator norm by Izuchi, Kei Ji, Izuchi, Yuko, Ohno, Shûichi

“…We consider the component problem on the sets of weighted composition operators on the spaces of bounded harmonic and analytic functions on the open unit disk…”
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Weighted composition operators whose ranges contain the disk algebra by Izuchi, Kei Ji, Izuchi, Kou Hei, Izuchi, Yuko

“…Let be the family of analytic functions on . Let be an analytic self-map of and for . Let be the weighted composition operator on . It is proved that if…”
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Weighted Composition Operators on the Space of Bounded Harmonic Functions by Izuchi, Kei Ji, Izuchi, Yuko, Ohno, Shûichi

“…We determine the norm and the essential norm of the difference of weighted composition operators on the space of bounded harmonic functions on the open unit…”
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Mutually prime sequences of inner functions and the ranks of subspaces over the bidisk by Izuchi, Kei Ji, Izuchi, Kou Hei, Izuchi, Yuko

“…Let be a sequence of inner functions satisfying that for every n  ≥ 0 and have no nonconstant common inner divisors. Associated with it, we have a Rudin type…”
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Boundary vs. interior conditions associated with weighted composition operators by Izuchi Kei, Izuchi Yuko, Ohno Shûichi

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ZERO BASED INVARIANT SUBSPACES AND FRINGE OPERATORS OVER THE BIDISK by Izuchi, Kei Ji, Izuchi, Kou Hei, Izuchi, Yuko

“…Let M be an invariant subspace of $H^2$ over the bidisk. Associated with M, we have the fringe operator $F^M_z$ on $M{\ominus}{\omega}M$. It is studied the…”
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ZERO BASED INVARIANT SUBSPACES AND FRINGE OPERATORS OVER THE BIDISK by Izuchi, Kei Ji, Izuchi, Kou Hei, Izuchi, Yuko

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Quasi-wandering Subspaces in the Bergman Space by Izuchi, Kei Ji, Izuchi, Kou Hei, Izuchi, Yuko

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Adjoint of the Toeplitz operator with the singular inner function by Izuchi, Kei Ji, Izuchi, Kou Hei, Izuchi, Yuko

“…Let ψδ1 be the singular inner function associated with the unit point mass at z=1. We shall give an infinite dimensional closed subspace M of kerTψδ1⁎, the…”
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Invariant subspaces having two side frames over the bidisk by Izuchi, Kei Ji, Izuchi, Kou Hei, Izuchi, Yuko

“…An invariant subspace M of the Hardy space over the bidisk is said to have two side frames if M⊖zM and M⊖wM contain nonzero Tw and Tz invariant subspaces,…”
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PATH CONNECTED COMPONENTS IN WEIGHTED COMPOSITION OPERATORS ON h ∞ AND H ∞ WITH THE OPERATOR NORM by IZUCHI, KEI JI, IZUCHI, YUKO, OHNO, SHÛICHI

“…We consider the component problem on the sets of weighted composition operators on the spaces of bounded harmonic and analytic functions on the open unit disk…”
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