The GL-l.u.st.\ constant and asymmetry of the Kalton-Peck twisted sum in finite dimensions

We prove that the Kalton-Peck twisted sum $Z_2^n$ of $n$-dimensional Hilbert spaces has GL-l.u.st.\ constant of order $\log n$ and bounded GL constant. This is the first concrete example which shows different explicit orders of growth in the GL and GL-l.u.st.\ constants. We discuss also the asymmetry constants of $Z_2^n$

Generalized Quantum Telecloning

We present a generalized telecloning (GTC) protocol where the quantum channel is non-optimally entangled and we study how the fidelity of the telecloned states depends on the entanglement of the channel. We show that one can increase the fidelity of the telecloned states, achieving the optimal value in some situations, by properly choosing the measurement basis at Alice's, albeit turning the protocol to a probabilistic one. We also show how one can convert the GTC protocol to the teleportation protocol via proper unitary operations.Comment: 6 pages, 1 figure, RevTex4; v2: published version, 8 pages, 4 figures, RevTex4, to appear at Eur. Phys. J.

Identifying a Structural Preference in Reduced Rare-Earth Metal Halides by Combining Experimental and Computational Techniques

The structures of two new cubic {TnLa3}Br3 (Tn = Ru, Ir; I4132, Z = 8; Tn = Ru: a = 12.1247(16) Å, V = 1782.4(4) Å3; Tn = Ir: a = 12.1738(19) Å, V = 1804.2(5) Å3) compounds belonging to a family of reduced rare-earth metal halides were determined by single-crystal X-ray diffraction. Interestingly, the isoelectronic compound {RuLa3}I3 crystallizes in the monoclinic modification of the {TnR3}X3 family, while {IrLa3}I3 was found to be isomorphous with cubic {PtPr3}I3. Using electronic structure calculations, a pseudogap was identified at the Fermi level of {IrLa3}Br3 in the new cubic structure. Additionally, the structure attempts to optimize (chemical) bonding as determined through the crystal orbital Hamilton populations (COHP) curves. The Fermi level of the isostructural {RuLa3}Br3 falls below the pseudogap, yet the cubic structure is still formed. In this context, a close inspection of the distinct bond frequencies reveals the subtleness of the structure determining factors

Corbett Special Issue Editorial

JJohn Dudley Corbett was born March 23, 1926, in Yakima, WA. He was a 1944 graduate of Yakima High School and completed his undergraduate studies, subject towartime conditions, at three institutions: North Dakota Teachers College; University of Wisconsin at Madison, where he learned general and chemical engineering; and ultimately theUniversity ofWashington in Seattle, WA, where he received a Bachelor’s degree in 1948. He earned a Ph.D. in Physical Chemistry from the University of Washington with a dissertation on “Anhydrous Aluminum Halides and Mixed Halide Intermediates” under the guidance of Prof. Norman W. Gregory, who specialized in experimental investigations of the physical and chemical properties of metal halides

Marginal Mentoring in the Contact Space: Diversified Mentoring Relationships at a Midsized Midwestern State University (MMSU)

This study is a collaborative investigation that melds traditional qualitative social scientific and contemporary autoethnographic methods to examine diversified mentoring relationships at a midsized midwestern state university (MMSU). The first author conducted 21 semi - structured interview s with MMSU faculty members and professional personnel who were members of underrepresented minority (URM) groups. A thematic analysis of the data, informed by the literature on developmental relationships and intergroup communication, reveals a number of problems with MMSU’s formal mentoring program and intergroup communication climate. Moreover, the findings indicate that the quality of mentoring relationships affects protégés’ co - cultural communication practices. The second author, who is also a participant in the project, interjects her personal reflections about diversified mentoring relationships throughout the analysis. Together, the authors give voice to participants’ suggestions to improve the quality of mentoring that occurs in MMSU’s contact space and explore the implications of the findings for future research about diversified mentoring relationships

Setting priorities to inform assessment of care homes’ readiness to participate in healthcare innovation: a systematic mapping review and consensus process

© 2020 The Author(s). This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly citedOrganisational context is known to impact on the successful implementation of healthcare initiatives in care homes. We undertook a systematic mapping review to examine whether researchers have considered organisational context when planning, conducting, and reporting the implementation of healthcare innovations in care homes. Review data were mapped against the Alberta Context Tool, which was designed to assess organizational context in care homes. The review included 56 papers. No studies involved a systematic assessment of organisational context prior to implementation, but many provided post hoc explanations of how organisational context affected the success or otherwise of the innovation. Factors identified to explain a lack of success included poor senior staff engagement, non-alignment with care home culture, limited staff capacity to engage, and low levels of participation from health professionals such as general practitioners (GPs). Thirty-five stakeholders participated in workshops to discuss findings and develop questions for assessing care home readiness to participate in innovations. Ten questions were developed to initiate conversations between innovators and care home staff to support research and implementation. This framework can help researchers initiate discussions about health-related innovation. This will begin to address the gap between implementation theory and practice.Peer reviewe

Investigating Adoption/Non-Adoption of Cell Phones for Financial Transactions in South Africa

The adoption of cell phones in South Africa has been phenomenal, yet the use of cell phones for financial transactions has been minimal. This paper identifies and examines the process leading to the adoption/non- adoption decision in order to gain a better understanding of why this innovation has not as yet diffused widely. The study was conducted using a grounded theory approach. The factors that were found to have an influence on the adoption decision were resistance to change, exposure, relative advantage, perceived ease-of-use, perceived risk and cost. These were incorporated into a framework depicting the relationships and interactions between these categories

Effects of live-bait shrimp trawling on seagrass beds and fish bycatch in Tampa Bay, Florida

The use of live shrimp for bait in recreational fishing has resulted in a controversial fishery for shrimp in Florida. In this fishery, night collections are conducted over seagrass beds with roller beam trawls to capture live shrimp, primarily pink shrimp, Penaeus duorarum. These shrimp are culled from the catch on sorting tables and placed in onboard aerated “live” wells. Beds of turtlegrass, Thalassia testudinum, a species that has highest growth rates and biomass during summer and lowest during the winter (Fonseca et al., 1996) are predominant areas for live-bait shrimp trawling (Tabb and Kenny, 1969). Our study objectives were 1) to determine effects of a roller beam trawl on turtlegrass biomass and morphometrics during intensive (up to 18 trawls over a turtlegrass bed), short-term (3-hour duration) use and 2) to examine the mortality of bycatch finfish following capture by a trawl

The InfraRed Imaging Spectrograph (IRIS) for TMT: Reflective ruled diffraction grating performance testing and discussion

We present the efficiency of near-infrared reflective ruled diffraction gratings designed for the InfraRed Imaging Spectrograph (IRIS). IRIS is a first light, integral field spectrograph and imager for the Thirty Meter Telescope (TMT) and narrow field infrared adaptive optics system (NFIRAOS). We present our experimental setup and analysis of the efficiency of selected reflective diffraction gratings. These measurements are used as a comparison sample against selected candidate Volume Phase Holographic (VPH) gratings (see Chen et al., this conference). We investigate the efficiencies of five ruled gratings designed for IRIS from two separate vendors. Three of the gratings accept a bandpass of 1.19-1.37 {\mu}m (J band) with ideal spectral resolutions of R=4000 and R=8000, groove densities of 249 and 516 lines/mm, and blaze angles of 9.86 and 20.54 degrees, respectively. The other two gratings accept a bandpass of 1.51-1.82 {\mu}m (H Band) with an ideal spectral resolution of R=4000, groove density of 141 lines/mm, and blaze angle of 9.86{\deg}. We measure the efficiencies off blaze angle for all gratings and the efficiencies between the polarization transverse magnetic (TM) and transverse electric (TE) states. The peak reflective efficiencies are 98.90 +/- 3.36% (TM) and 84.99 +/- 2.74% (TM) for the H-band R=4000 and J-band R=4000 respectively. The peak reflective efficiency for the J-band R=8000 grating is 78.78 +/- 2.54% (TE). We find that these ruled gratings do not exhibit a wide dependency on incident angle within +/-3{\deg}. Our best-manufactured gratings were found to exhibit a dependency on the polarization state of the incident beam with a ~10-20% deviation, consistent with the theoretical efficiency predictions.Comment: Proceedings of the SPIE, 9147-34

Public Education as Nation-Building in America: Enrollments and Bureaucratization in the American States, 1870-1930

This is the published version. Copyright 1979 University of Chicago Press.Current discussions of the effects of urbanization and industrialization on the bureaucratization of American public education in the later 19th century do not offer effective explanations of the expansion of the educational system in the first place. Enrollments were high much earlier than these explanations suggest and were probably higher in rural than in urban settings. We argue that the spread of public education, especially in the North and West, took place through a series of nation-building social movements having partly religious and partly political forms. We see these movements as reflecting the involvement and success of American society in the world exchange economy and the dominance of parallel religious ideologies. State-level data are used to show both the absence of positive effects of urban industrialism on enrollments and some suggestive effects of evangelical Protestantism and 19th-century Republicanism