105,208 research outputs found

    [Letter from E. M. Connell to T. N. Carswell - March 27, 1941]

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    A letter written to Mr. T. N. Carswell, Abilene, Texas, from E. M. Connell, Superintendent, Anson Public Schools, Anson, Texas, dated March 27, 1941. Connell expresses his appreciation to Carswell that he is to speak to the student body of the Anson High School advising that the program committee has requested that he discuss "Our Part in the National Defense"

    Connell, T L, NX29522

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    This record was harvested from a previous catalogue system and will be withdrawn in 2025. Information in this record may be superseded or incomplete. Visit this record in UMA's new catalogue at: https://archives.library.unimelb.edu.au/nodes/view/378336Surname: CONNELL Given Name(s) or Initials: T L Military Service Number or Last Known Location: NX29522 Missing, Wounded and Prisoner of War Enquiry Card Index Number: 45050192149 Item: [2016.0049.10630] "Connell, T L, NX29522

    Connell, J T, 37595

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    This record was harvested from a previous catalogue system and will be withdrawn in 2025. Information in this record may be superseded or incomplete. Visit this record in UMA's new catalogue at: https://archives.library.unimelb.edu.au/nodes/view/378330Surname: CONNELL Given Name(s) or Initials: J T Military Service Number or Last Known Location: 37595 Missing, Wounded and Prisoner of War Enquiry Card Index Number: SEA-2739192143 Item: [2016.0049.10624] "Connell, J T, 37595

    Janzen-Connell patterns are not the result of Janzen-Connell process: Oak recruitment in temperate forests

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    International audienceAccording to the Janzen-Connell hypothesis, seedling mortality is greater close to conspecific (or closely related) adult trees because of higher enemy pressure, ultimately increasing local tree-species diversity. However, this pattern (i.e. a decline of seedling performance close to conspecific or closely related adults) could also result from other processes: (1) heterospecific adults might positively affect seedlings; (2) conspecific (or closely related) adults might negatively affect seedlings by causing a deterioration of the microenvironment. We tested these hypotheses, accounting also for sizes of adults. We planted oak-seedlings in a temperate forest, characterized their adult neighbourhoods, measured 26 microenvironmental conditions, seedling mortality during one year, budburst and leaf herbivory. We detected Janzen-Connell-like patterns (frequent lack of budburst close to conspecific adults; high seedling mortality close to closely related adults) that were consistent with the Janzen-Connell process. However, these patterns were either counteracted by non-Janzen-Connell processes such as a favourable microenvironment or were weak with little explained variance. We detected Janzen-Connell-like patterns that were not consistent with the Janzen-Connell process: proximity to heterospecific adults per se decreased leaf herbivory partly due to microenvironmental effects, such that a lower leaf herbivory decreased seedling mortality. Overall, the spatial pattern of tree recruitment may resemble that predicted by Janzen-Connell but result from different processes: notably heterospecific adults creating refuges from enemies, facilitating the establishment of oaks below non-oaks without hindering their establishment below oaks

    Telegram, 1932 June 18, New York, NY, to Amelia Earhart, New York, NY

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    Congratulatory telegram to Amelia Earhart from Daniel T. Connell and numerous others, June 18, 193

    Evaluating healthcare information systems through an "enterprise" perspective

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    Here we reflect upon the design and implementation of large-scale healthcare IS, noting the tendency of such systems to gravitate from a delivery (clinical) to a control (managerial) emphasis. Drawing on the concept of the 'enterprise model', we examined how adopting different perspectives of the enterprise might inform both design and evaluative criteria. Three areas of tension were identified; these prompted us to consider some elements that contribute to a framework that can guide the implementation and evaluation of healthcare applications. We proposed an illustrative conceptual model which, while not claiming to identify causal factors for success or failure, nevertheless gives indications of the interplay between the areas of tension. <br/

    Brief Biographical Notes on Michael T. Spence

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    Text document Biographical notes on Michael T. Spence/ Tracy RossConverted from .docx to .pdf for compatibilit

    Letter, [Author unclear] to Paulina T. Merritt

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    Handwritten letter to Paulina Merritt from an unknown author, October 1, 1876.

    A counterexample to a conjecture of Bass, Connell and Wright

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    Let F=X-H:knk^nknk^n be a polynomial map with H homogeneous of degree 3 and nilpotent Jacobian matrix J(H). Let G=(G_1,...,G_n) be the formal inverse of F. Bass, Connell and Wright proved in [1] that the homogeneous component of GiG_i of degree 2d+1 can be expressed as Gi(d)=Tα(T)1σi(T)G_i^{(d)}=\sum_T α(T)^{-1} σ_i(T), where T varies over rooted trees with d vertices, α(T)=CardAut(T) and σi(T)σ_i(T) is a polynomial defined by (1) below. The Jacobian Conjecture states that, in our situation, FF is an automorphism or, equivalently, Gi(d)G_i^{(d)} is zero for sufficiently large d. Bass, Connell and Wright conjecture that not only Gi(d)G_i^{(d)} but also the polynomials σi(T)σ_i(T) are zero for large d. The aim of the paper is to show that for the polynomial automorphism (4) and rooted trees (3), the polynomial σ2(Ts)σ_2(T_s) is non-zero for any index ss (Proposition 4), yielding a counterexample to the above conjecture (see Theorem 5)
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