Event shape studies, \boldmath{αs\alpha_s} and its running from LEP

Data from electron positron annihilations at different center of mass energies are collected by the four LEP experiments. Direct tests of hard QCD are performed by measuring and analysing event shape observables.Comment: 4 pages, 1 figures in eps, talk given at XXXI International Symposium on Multiparticle Dynamics, Sept 1-7, 2001, Datong China. URL http://ismd31.ccnu.edu.cn

Here\u27s to U

Presented below are the definitions of thirty two words, each of which contains three or more appearances of the letter U . All of these have been inserted in their proper place in each answer, with blanks representing members of the remaining twenty five letters of the alphabet. As you peruse (sorry!) the list in your search for solutions, be forewarned -- this exercise is not for the U N A D V E N T U R O U S

GPCALMA: A Tool For Mammography With A GRID-Connected Distributed Database

The GPCALMA (Grid Platform for Computer Assisted Library for MAmmography) collaboration involves several departments of physics, INFN sections, and italian hospitals. The aim of this collaboration is developing a tool that can help radiologists in early detection of breast cancer. GPCALMA has built a large distributed database of digitised mammographic images (about 5500 images corresponding to 1650 patients) and developed a CAD (Computer Aided Detection) software which is integrated in a station that can also be used for acquire new images, as archive and to perform statistical analysis. The images are completely described: pathological ones have a consistent characterization with radiologist's diagnosis and histological data, non pathological ones correspond to patients with a follow up at least three years. The distributed database is realized throught the connection of all the hospitals and research centers in GRID tecnology. In each hospital local patients digital images are stored in the local database. Using GRID connection, GPCALMA will allow each node to work on distributed database data as well as local database data. Using its database the GPCALMA tools perform several analysis. A texture analysis, i.e. an automated classification on adipose, dense or glandular texture, can be provided by the system. GPCALMA software also allows classification of pathological features, in particular massive lesions analysis and microcalcification clusters analysis. The performance of the GPCALMA system will be presented in terms of the ROC (Receiver Operating Characteristic) curves. The results of GPCALMA system as "second reader" will also be presented.Comment: 6 pages, Proceedings of the Seventh Mexican Symposium on Medical Physics 2003, Vol. 682/1, pp. 67-72, Mexico City, Mexic

Flower ‘u dum ba ri

MP4 video‘Flower ‘u dum ba ri’ was told by Don drug in A mdo Tibetan. Rta rgyugs, a subdivision of Rka phug Administrative Village, is a farming village located in Khams ra Town, Gcan tsa County Town, Rma lho Tibetan Autonomous Prefecture, Qinghai Province, PR China. In 2010, there were 15 Han Chinese households and 18 Tibetan households in Rta rgyugs Village. The total population was 175 residents (33 households). Most Han Chinese residents were fluent in Tibetan and communicated in Tibetan with local Tibetan villagers. རྐ་ཕུག་སྡེ་བའི་ཁོངས་སུ་གཏོགས་པའི་རྟ་རྒྱུགས་སྡེ་བ་ནི་ཞིང་ལས་གཙོ་བོར་གཉེར་བའི་བོད་སྡེ་ཞིག་ཡིན་ལ། དེ་ནི་ཁམས་ར་གྲོང་བརྡལ་དུ་ཆགས་ཤིང་གཅན་ཚ་རྫོང་མཁར་དང་བར་ཐག་སྤྱི་ལེ་༣༥ ལྷག་ཡོད། གཅན་ཚ་རྫོང་ནི་ཀྲུང་གོའི་མཚོ་སྔོན་ཞིང་ཆེན་རྨ་ལྷོ་བོད་རིགས་རང་སྐྱོང་ཁུལ་གྱི་རྫོང་བཞིའི་ཡ་གྱལ་ཞིག་ཡིན་ཏེ། ༢༠༡༠ལོར་རྟ་རྒྱུགས་སྡེ་བར་བསྡོམས་པས་ཁྱིམ་ཚང་སུམ་ཅུ་སོ་གསུམ་ཡོད་ལ། དེའི་གྲས་སུ་ཁྱིམ་ཚང་བཅོ་ལྔ་ནི་རྒྱ་རིགས་ཡིན་པ་དང་། ཁྱིམ་ཚང་བཅོ་བརྒྱད་བོད་རིགས་ཡིན། རྒྱའི་མི་ཁྱིམ་ཕལ་ཆེ་བས་བོད་སྐད་བཤད་ཤེས་པ་དང་དུས་རྒྱུན་དུ་བོད་སྐད་བཀོད་སྤྱོད་བྱས་ནས་སྡེ་བའི་ནང་གི་བོད་མི་ཚོར་འབྲེལ་འདྲིས་བྱེད། ད་ལྟ་རྟ་རྒྱུགས་སྡེ་བར་འདུས་སྡོད་བྱེད་པའི་མི་གྲངས་ ༡༧༥ཡིན། Rka phug sde ba'i khongs su gtogs pa'i rta rgyugs sde ba ni zhing las gtso bor gnyer ba'i bod sde zhig yin la/ de ni khams ra grong brdal du chags shing gcan tsha rdzong mkhar dang bar thag spyi le 35 lhag yod/ gcan tsha rdzong ni krung go'i mtsho sngon zhing chen rma lho bod rigs rang skyong khul gyi rdzong bzhi'i ya gyal zhig yin te/ 2010 lor rta rgyugs sde bar bsdoms pas khyim tshang sum cu so gsum yod la/ de'i gras su khyim tshang bco lnga ni rgya rigs yin pa dang/ khyim tshang bco brgyad bod rigs yin/ rgya'i mi khyim phal che bas bod skad bshad shes pa dang dus rgyun du bod skad bkod spyod byas nas sde ba'i nang gi bod mi tshor 'brel 'dris byed/ da lta rta rgyugs sde bar 'dus sdod byed pa'i mi grangs 175yin

On the dependence of the reflection operator on boundary conditions for biharmonic functions

The biharmonic equation arises in areas of continuum mechanics including linear elasticity theory and the Stokes flows, as well as in a radar imaging problem. We discuss the reflection formulas for the biharmonic functions $u(x,y)\in\mathbb{R}^2$ subject to different boundary conditions on a real-analytic curve in the plane. The obtained formulas, generalizing the celebrated Schwarz symmetry principle for harmonic functions, have different structures. In particular, in the special case of the boundary, $\Gamma_0 :=\{y=0\}$, reflections are point to point when the given on $\Gamma_0$ conditions are $u=\partial_nu=0$, $u=\Delta u=0$ or $\partial_nu=\partial n\Delta u=0$, and point to a continuous set when $u=\partial_n\Delta u=0$ or $\partial_nu=\Delta u=0$ on $\Gamma_0$.Comment: 18 page