135,212 research outputs found

    JACOBSON RADICAL ALGEBRAS WITH QUADRATIC GROWTH

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    We show that over every countable algebraically closed field K there exists a finitely generated K-algebra that is Jacobson radical, infinite-dimensional, generated by two elements, graded and has quadratic growth. We also propose a way of constructing examples of algebras with quadratic growth that satisfy special types of relations.</p

    Proper Ferroelectricity in the Dion?Jacobson Material CsBi2Ti2NbO10: Experiment and Theory

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    A diverse range of materials and properties are exhibited by layered perovskites. We report on the synthesis, characterization, and computational investigation of a new ferroelectric?CsBi2Ti2NbO10, an n = 3 member of the Dion?Jacobson (DJ) family. Structural studies using variable temperature neutron powder diffraction indicate that a combination of octahedral rotations and polar displacements result in the polar structure. Density functional theory calculations reveal that the wider perovskite blocks in CsBi2Ti2NbO0 stabilize proper ferroelectricity, in contrast to the hybrid-improper ferroelectricity reported for all other DJ phases. Our results raise the possibility of a new class of proper ferroelectric materials analogous to the well-known Aurivillius phases

    Sympathy cards from Cornelia Jacobson and Carrie B. Jensen to Zilla Linford Richards, following the death of her mother Mary Linford, 1963

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    Two sympathy cards from Cornelia Jacobson and Carrie B. Jensen to Zilla Linford Richards, following the death of her mother Mary Linford, 196

    Jacobson v. Jacobson : Brief of Appellant

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    CLYDE A. JACOBSON and REGINA J. JACOBSON, Plaintiffs-Appellants, vs CLYDE E. JACOBSON and ERMA B. JACOBSON, Defendants-Respondents

    Jacobson v. Jacobson : Brief of Respondent

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    CLYDE A. JACOBSON and REGINA J. JACOBSON, Plaintiffs- Appellants , vs CLYDE E. JACOBSON and ERMA B. JACOBSON, Defendants- Respondent

    [Correspondence Between Melvin R. Jacobson and Barbara Jordan - February 8-15, 1978]

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    Correspondence between Melvin R. Jacobson and Barbara Jordan discussing Jordan's decision to not seek re-election. Jacobson expresses his concerns about what congress will look like without Jordan. Jordan discusses her decision and thanks Jacobson for his letter

    Berichtigung zu der Untersuchung von B. Jacobson betreffend die Residualluft

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    BERICHTIGUNG ZU DER UNTERSUCHUNG VON B. JACOBSON BETREFFEND DIE RESIDUALLUFT Berichtigung zu der Untersuchung von B. Jacobson betreffend die Residualluft (43) (-

    Going Beyond Counting First Authors in Author Co-citation Analysis

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    The present study examines one of the fundamental aspects of author co-citation analysis (ACA) - the way co-citation counts are defined. Co-citation counting provides the data on which all subsequent statistical analyses and mappings are based, and we compare ACA results based on two different types of co-citation counting - the traditional type that only counts the first one among a cited work's authors on the one hand and a non-traditional type that takes into account the first 5 authors of a cited work on the other hand. Results indicate that the picture produced through this non-traditional author co-citation counting contains more coherent author groups and is therefore considerably clearer. However, this picture represents fewer specialties in the research field being studied than that produced through the traditional first-author co-citation counting when the same number of top-ranked authors is selected and analyzed. Reasons for these effects are discussed

    No. 67, Rowena Miller and Dorothy Jacobson, interview by Winnifred Margetts

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    Transcript (64 pages) of interview by Winnifred Margetts with Utah actresses Rowena Miller and Dorothy Jacobson on June 21, 1985. This interview is no. 67 in the Everett L. Cooley Oral History Project, and tape nos. 294 and 295Miller (b. 1911) and her sister, Dorothy Jacobson, discuss their theater experience in Salt Lake City during the 1940s-1950s with the Interstake Drama Group and the Deseret Theater. Interviewer: Winnifred Margett

    Oscar B. Jacobson Collection

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    Photograph of L to R: Tsa-To-Ke, Hokeah, Mopope, Jacobson, Asah, and Auchiah, c. spring 1930
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