9,411 research outputs found

    Michael Rabin, violín (Estados Unidos)

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    Concierto interpretado por el Violínista Michel Rabin, en compañía del pianista Mitchell Andrews. A la edad de 16 años, cuando la mayoría de los jóvenes se preocupan por casi todo menos por su carrera del futuro, Michael Rabin, ya había captado la imaginación del mundo con su gran maestría como intérprete del violín Michel Rabin, es desde hace mucho tiempo uno de los Violínistas más extraordinarios y está considerado "Un genio del violín, dotado con todos los naturales atributos necesarios que hacen de este maestro un artista muy grande". -Dimitri Mitropoulos-

    Rabin Alliance records undated, 1997-1999

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    The records include an advisory council handbook, agendas, Board resolutions, by-laws, certificates of incorporation, correspondence, financial records, memorandum, minutes, and project outlines. Of interest is Ehud Barak's involvement in the organization, and the subsequent demand from Yitzhak Rabin's son Yuval to see the organization's legal filings, minutes, and tax formsJerry Goodman on behalf of Pamela DubinThe Rabin Alliance was created in 1997 by prominent American and Israeli leaders associated with the Labor Party. Its vision was to help create a democratic, cohesive, pluralistic Israel through support and creation of humanitarian and leadership programs. Rabin Alliance contributed to financing Ehud Barak's campaign and subsequent election as Prime Minister. After Ariel Sharon replaced Barak in 2001, Rabin Alliance dissolve

    Author approved manuscript and Data from: CRISPR-Cas9 F0 knockout approach using predesigned in vitro transcribed guide RNAs partially recapitulates Rx3 function in eye morphogenesis

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    Author approved manuscript:   Full manuscript: Wysocka et al., Manuscript_AAM version.pdf  Supplemental Table 1:  Wysocka et al., Manuscript_Supp Table 1.pdf  Raw data associated with Figure 1:  Fig. 1b:     DSC_0595.JPG Fig. 1c:     meltcurves_all.csv Fig. 1d:     rx3 qPCR.xlsx Fig. 1e-h:     Eye and body length.xlsx  Manuscript doi: 10.1007/s12041-022-01408-4 For further information, contact: savanb[at]amu(dot)edu(dot)pl</p

    Betsaba by E. Zegadłowicz in the Stagings of S. Wysocka

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    The author deals with two stagings of Betsaba, a biblical drama in three acts written by Emil Zegadłowicz and put on by Town Theatre in Lublin (16 March 1927 -world premiere) and in New Theatre in Poznań (18 May 1927) directed and staged by S. Wysocka. In the beginning the author recalls earlier productions of Zegadłowicz's dramas: Olive Lamp − J. Słowacki's Theatre in Cracow, 31 May 1924, Acesta (in the same theatre) 7 March 1925, Border Rock − New Theatre in Poznań, 11 September 1925. Thus Betsaba was the fourth production of E.Zegadłowicz's drama staged by S. Wysocka. Both performances of the latter are characterized by the same staging principles with some minute modifications. The first direction was its rapsodic character − pietism (exaggerated − according to some critics) for a poetic word, the second − the character of misterium. Zegadłowicz interpreted king David's love to Bethsheba, Uriah's wife, as a chain in the Divine plan of Incarnation of the Eternal Word and in the plan of Salvation. The stage-manageress sought to emphasize this thought both in composing the conceptions of the leading figures and in the Epilogue in which there appears the vision of the hut in Bethlehem. Wysocka's staging tended to limit the stage movement. A gesture would take on a particular meaning, especially in the Poznań production in which Wysocka had at her disposal such a talented and exceptionally „sculptory-minded” artist as Irena Solska. Furthermore the Lublin production was characterized by monumentalism, stressed by „living images” which close particular acts of the drama. The general evaluation of both productions was varied: reserved in Lublin, though „Betsaba” was perfomed ten times, and enthusiastic in Poznań with a total number of seven performances

    Leah Rabin

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    Digital imageLeah Rabin was born in Germany in 1928. She immigrated to Palestine as a child with her family, and served in the Palmach. She married Yitzchak Rabin in 1948. Leah Rabin died in Israel in 200

    Advances in conformal radiotherapy: using Monte Carlo Code to design new IMRT and IORT accelerators and interpret CT numbers

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    The introductory chapter of this monograph, which follows this Preface, provides an overview of radiotherapy and treatment planning. The main chapters that follow describe in detail three significant aspects of radiotherapy on which the author has focused her research efforts. Chapter 2 presents studies the author worked on at the German National Cancer Institute (DKFZ) in Heidelberg. These studies applied the Monte Carlo technique to investigate the feasibility of performing Intensity Modulated Radiotherapy (IMRT) by scanning with a narrow photon beam. This approach represents an alternative to techniques that generate beam modulation by absorption, such as MLC, individually-manufactured compensators, and special tomotherapy modulators. The technical realization of this concept required investigation of the influence of various design parameters on the final small photon beam. The photon beam to be scanned should have a diameter of approximately 5 mm at Source Surface Distance (SSD) distance, and the penumbra should be as small as possible. We proposed a draft for this system based on the PRIMUS 6MV DKFZ accelerator and investigated new geometry of the source-target-collimator system. We assessed the influence of different collimator parameters, different target construction and various incident electron beam characteristics. Based on this work, it was possible to define adequate parameters for the target-collimator system and the scanning electron beam for new a IMRT system. Examples of the intensity modulated field produced by the resulting photon beam are shown. In Chapter 3, attention is turned to recent and ongoing work on a new mobile electron accelerator for Intraoperative Radiotherapy (IORT) at the Polish National Centre for Nuclear Research (NCBJ) in Świerk. Based on Monte Carlo calculations, we have designed, verified and optimized an electron beam forming system for IORT that uses two different docking systems for applicators. When developed, the accelerator will deliver electron beams in an energy range of 4 – 12 MeV. It will use thin-walled metal applicators with diameters ranging from 3 – 12 cm, possibly larger at lower energies, which can be attached to a universal therapeutic head. The treatment head uses a fixed system of collimators and scattering foils that is independent of beam energy and applicator diameter. Dose distribution in the patient plane, inside and outside operating room, meets all regulatory requirements for radiation protection. A prototype will now be constructed and tested in the laboratory. Chapter 4 describes work to improve treatment planning for hadron therapy with protons or heavy ions, which also took place at DKFZ in Heidelberg. Treatment planning is a complex process and the need to develop new strategies to reduce uncertainties in such planning remains an ongoing challenge to physicists. To calculate ion range in tissue, medical physicists who prepare treatment plans apply an empirical correlation between measured Carbon ranges and X-ray computed tomography (CT) numbers, the value of which depends on the parameters used during measurement. We undertook a systematic study of the effect of various measurement parameters on CT-numbers. Monte Carlo simulations were used to model a complete CT machine and phantom with tissue substitute and receive projections. These results were then processed using a reconstruction algorithm that converted them to CT-numbers calculated in Hounsfield units (HU). We also systematically investigated deviations in CT-numbers that result from different voltage settings of the X-ray tube, composition of substitutes, and changes in the diameter and material of the phantom that is used for CT measurements. Subsequently we translated these into range uncertainties using CT data from an actual patient with a chondrosarcoma at the base of the skull. The studies described in this monograph all required teamwork. The IMRT study in Chapter 2 was performed in the laboratory of Prof Gunther Hartmann at DKFZ, who is an extremely creative medical physicist with three decades of experience in conformal radiotherapy, as well as a wonderful teacher, role model and friend. The author worked (and continues to work) on the IORT study described in Chapter 3 with a fine team of NCBJ colleagues in the Division of Accelerator Physics & Technology, including Dr Eugeniusz Pławski, Dr Przemek Adrich, Dr Adam Wasilewski, and our Division head, Dr Sławomir Wronka. Special recognition also goes to Prof Grrzegorz Wrochna, the Director NCBJ, for diverting his eyes from the cosmos for a time, taking note of the significance of radiotherapy accelerators here on Earth and greatly encouraging our work in IORT. We have also been advised by two recognized international experts in IORT, our friends Dr Peter Biggs of the Massachusetts General Hospital and Dr Frank Hensley of the University Clinic in Heidelberg. The study in Chapter 4 was performed together with Dr Sima Qamhiyeh, a very ambitious young physicist who received her PhD at Heidelberg. Our chief was Dr Oliver Jäkel, head of Medical Physics in the Heidelberg Ion-beam Therapy (HIT) Center, father of numerous new ventures in hadrontherapy, as well as the father of three fantastic children. This work would not have happened at all had I not been guided into radiotherapy by a number of fine mentors, including Prof Barbara Gwiazdowska, Prof Jerzy Tołwiński, Prof Gerhard Kraft, Prof Wolfgang Schlegel and Prof Jean Chavoudra, and helped along the way by many colleagues from Oncological Centers across Europe, all of whom believe, as I do, that radiotherapy is a challenging field that offers great opportunities for physicists. Nor would this monograph have been possible without the ongoing support of Prof Stanisław Kuliński and Prof Ryszard Romaniuk, who convinced me to write it and kept encouraging me to complete it. Finally, I want to thank my husband and editor, Dr Kenneth Rabin, for his understanding of the nuances of science writing in English, his frank advice, consistent support, and almost endless patience

    Rabin Measures

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    Rabin conditions are a general class of properties of infinite sequences that encompass most known automata-theoretic acceptance conditions and notions of fairness. In this paper, we introduce a concept, called a Rabin measure, which in a precise sense expresses progress for each transition toward satisfaction of the Rabin condition. We show that these measures of progress are linked to the Kleene-Brouwer ordering of recursion theory. This property is used in [Kla94b] to establish an exponential upper bound for the complementation of automata on infinite trees. When applied to termination problems under fairness constraints, Rabin measures eliminate the need for syntax-dependent, recursive applications of proof rules

    Excerpt, Letter to Sona Johnston, Assistant Curator of the BMA from Bernard Rabin, July 21, 1975

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    From 1954 onwards, the Portrait of Emilia Pia da Montefeltre was examined by conservators both locally using X-radiography and infrared / ultraviolet light technologies and abroad via photographs. It became evident through these revealing examinations that the sitter’s dress, veil and hair may exhibit areas of repaint and possible alteration of the neckline. Art conservators Bernard Rabin, Dr. Umberto Baldini and Professor LoVulo concluded “the original to be of an older woman. From the x-ray they determined that the costume was changed, which would be in keeping with the present more youthful face” in this document dated July 21, 1975. While conservator Kay Silberfeld of the National Gallery of Art (Washington, D.C.) agreed that “something has gone on on the forehead, a band or something once there and removed, although there is a suggestion of folds around the face and neck, think the reconstruction à la Rabin somewhat overly fanciful” in a December 8, 1975 letter to Gertrude Rosenthal

    Unfinished Manuscript by Sayegh: "A Refutation of Israeli Arguments and Zionist Ideology Concerning the Legality of the Establishment of Settlements (undated): Quote by Yitzhak Rabin, July 24, 1974

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    Quote from United Nations Special Committee Report issued November 4, 1974, relating a statement made in the Jerusalem Post, July 24, 1974, by Israeli Prime Minister Yitzhak Rabin, concerning Israeli settlement in the Jordan Valley

    Unfinished Manuscript by Sayegh: "A Refutation of Israeli Arguments and Zionist Ideology Concerning the Legality of the Establishment of Settlements (undated): Quote by Yitzhak Rabin, April 22, 1976

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    Quote from United Nations Special Committee Report issued October 1, 1976, relating a statement made in the Jerusalem Post, April 22, 1976, by Israeli Prime Minister Yitzhak Rabin, concerning settlement in Israeli occupied territories
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