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244 results on '"Lei M"'

15. Fictitious finite integration method for solving high order partial differential equations.

Author

Lei, M., Liu, P.Y., and Hon, Y.C.

Subjects
*CHEBYSHEV polynomials
Abstract

In this paper, we combine the finite integration method (FIM) with the technique of fictitious points to solve high order partial differential equations (HOPDEs). Two type of fictitious finite integration method (FFIM) are proposed and analyzed. The first type FFIM (FFIM-I) constructs the first order integration matrices by shifted Chebyshev polynomials so that the analytical high order integration matrices can be recursively obtained. Compared with the classical FIM, whose high order integration matrices are approximated directly through low order integration matrices, this FFIM-I leads to higher accuracy. Based on FFIM-I, the second type FFIM (FFIM-II) is proposed in which the fictitious points are located freely either inside or outside the problem domain. The FFIM-II can further improve the performance of FFIM-I in solving HOPDEs. The advantage of this fictitious finite integration method will be demonstrated by making comparisons among FIM, FFIM-I and FFIM-II through several 2D and 3D numerical experiments. [ABSTRACT FROM AUTHOR]

Published
2023
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47. Detector description and performance for the first coincidence observations between LIGO and GEO

Author

Abbott, B., Abbott, R., Adhikari, R., Ageev, A., Allen, B., Amin, R., Anderson, S.B., Anderson, W.G., Araya, M., Armandula, H., Asiri, F., Aufmuth, P., Aulbert, C., Babak, S., Balasubramanian, R., Ballmer, S., Barish, B.C., Barker, D., Barker-Patton, C., Barnes, M., Barr, B., Barton, M.A., Bayer, K., Beausoleil, R., Belczynski, K., Bennett, R., Berukoff, S.J., Betzwieser, J., Bhawal, B., Bilenko, I.A., Billingsley, G., Black, E., Blackburn, K., Bland-Weaver, B., Bochner, B., Bogue, L., Bork, R., Bose, S., Brady, P.R., Braginsky, V.B., Brau, J.E., Brown, D.A., Brozek, S., Bullington, A., Buonanno, A., Burgess, R., Busby, D., Butler, W.E., Byer, R.L., Cadonati, L., Cagnoli, G., Camp, J.B., Cantley, C.A., Cardenas, L., Carter, K., Casey, M.M., Castiglione, J., Chandler, A., Chapsky, J., Charlton, P., Chatterji, S., Chen, Y., Chickarmane, V., Chin, D., Christensen, N., Churches, D., Colacino, C., Coldwell, R., Coles, M., Cook, D., Corbitt, T., Coyne, D., Creighton, J.D.E., Creighton, T.D., Crooks, D.R.M., Csatorday, P., Cusack, B.J., Cutler, C., D'Ambrosio, E., Danzmann, K., Davies, R., Daw, E., DeBra, D., Delker, T., DeSalvo, R., Dhurandar, S., Dı́az, M., Ding, H., Drever, R.W.P., Dupuis, R.J., Ebeling, C., Edlund, J., Ehrens, P., Elliffe, E.J., Etzel, T., Evans, M., Evans, T., Fallnich, C., Farnham, D., Fejer, M.M., Fine, M., Finn, L.S., Flanagan, É., Freise, A., Frey, R., Fritschel, P., Frolov, V., Fyffe, M., Ganezer, K.S., Giaime, J.A., Gillespie, A., Goda, K., González, G., Goßler, S., Grandclément, P., Grant, A., Gray, C., Gretarsson, A.M., Grimmett, D., Grote, H., Grunewald, S., Guenther, M., Gustafson, E., Gustafson, R., Hamilton, W.O., Hammond, M., Hanson, J., Hardham, C., Harry, G., Hartunian, A., Heefner, J., Hefetz, Y., Heinzel, G., Heng, I.S., Hennessy, M., Hepler, N., Heptonstall, A., Heurs, M., Hewitson, M., Hindman, N., Hoang, P., Hough, J., Hrynevych, M., Hua, W., Ingley, R., Ito, M., Itoh, Y., Ivanov, A., Jennrich, O., Johnson, W.W., Johnston, W., Jones, L., Jungwirth, D., Kalogera, V., Katsavounidis, E., Kawabe, K., Kawamura, S., Kells, W., Kern, J., Khan, A., Killbourn, S., Killow, C.J., Kim, C., King, C., King, P., Klimenko, S., Kloevekorn, P., Koranda, S., Kötter, K., Kovalik, J., Kozak, D., Krishnan, B., Landry, M., Langdale, J., Lantz, B., Lawrence, R., Lazzarini, A., Lei, M., Leonhardt, V., Leonor, I., Libbrecht, K., Lindquist, P., Liu, S., Logan, J., Lormand, M., Lubinski, M., Lück, H., Lyons, T.T., Machenschalk, B., MacInnis, M., Mageswaran, M., Mailand, K., Majid, W., Malec, M., Mann, F., Marin, A., Márka, S., Maros, E., Mason, J., Mason, K., Matherny, O., Matone, L., Mavalvala, N., McCarthy, R., McClelland, D.E., McHugh, M., McNamara, P., Mendell, G., Meshkov, S., Messenger, C., Mitrofanov, V.P., Mitselmakher, G., Mittleman, R., Miyakawa, O., Miyoki, S., Mohanty, S., Moreno, G., Mossavi, K., Mours, B., Mueller, G., Mukherjee, S., Myers, J., Nagano, S., Nash, T., Naundorf, H., Nayak, R., Newton, G., Nocera, F., Nutzman, P., Olson, T., O'Reilly, B., J. Ottaway, D., Ottewill, A., Ouimette, D., Overmier, H., Owen, B.J., Papa, M.A., Parameswariah, C., Parameswariah, V., Pedraza, M., Penn, S., Pitkin, M., Plissi, M., Pratt, M., Quetschke, V., Raab, F., Radkins, H., Rahkola, R., Rakhmanov, M., Rao, S.R., Redding, D., Regehr, M.W., Regimbau, T., Reilly, K.T., Reithmaier, K., Reitze, D.H., Richman, S., Riesen, R., Riles, K., Rizzi, A., Robertson, D.I., Robertson, N.A., Robison, L., Roddy, S., Rollins, J., Romano, J.D., Romie, J., Rong, H., Rose, D., Rotthoff, E., Rowan, S., Rüdiger, A., Russell, P., Ryan, K., Salzman, I., Sanders, G.H., Sannibale, V., Sathyaprakash, B., Saulson, P.R., Savage, R., Sazonov, A., Schilling, R., Schlaufman, K., Schmidt, V., Schofield, R., Schrempel, M., Schutz, B.F., Schwinberg, P., Scott, S.M., Searle, A.C., Sears, B., Seel, S., Sengupta, A.S., Shapiro, C.A., Shawhan, P., Shoemaker, D.H., Shu, Q.Z., Sibley, A., Siemens, X., Sievers, L., Sigg, D., Sintes, A.M., Skeldon, K., Smith, J.R., Smith, M., Smith, M.R., Sneddon, P., Spero, R., Stapfer, G., Strain, K.A., Strom, D., Stuver, A., Summerscales, T., Sumner, M.C., Sutton, P.J., Sylvestre, J., Takamori, A., Tanner, D.B., Tariq, H., Taylor, I., Taylor, R., Thorne, K.S., Tibbits, M., Tilav, S., Tinto, M., Tokmakov, K.V., Torres, C., Torrie, C., Traeger, S., Traylor, G., Tyler, W., Ugolini, D., Vallisneri, M., van Putten, M., Vass, S., Vecchio, A., Vorvick, C., Vyatchanin, S.P., Wallace, L., Walther, H., Ward, H., Ware, B., Watts, K., Webber, D., Weidner, A., Weiland, U., Weinstein, A., Weiss, R., Welling, H., Wen, L., Wen, S., Whelan, J.T., Whitcomb, S.E., Whiting, B.F., Willems, P.A., Williams, P.R., Williams, R., Willke, B., Wilson, A., Winjum, B.J., Winkler, W., Wise, S., Wiseman, A.G., Woan, G., Wooley, R., Worden, J., Yakushin, I., Yamamoto, H., Yoshida, S., Zawischa, I., Zhang, L., Zotov, N., Zucker, M., and Zweizig, J.

Published
2004
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48. The effect of monomeric and oligomeric FLAVAnols in patients with type 2 diabetes and microalbuminuria (FLAVA-trial): A double-blind randomized controlled trial.

Author

Rashid, Mardin, Verhoeven, Adrie J.M., Mulder, Monique T., Timman, Reinier, Ozcan, Behiye, van Beek-Nieuwland, Yvonne, Chow, Lei M., van de Laar, Roel J.J.M., Dik, Willem A., Sijbrands, Eric J.G., and Berk, Kirsten A.

Abstract

Microalbuminuria is an early sign of vascular complications of type 2 diabetes and predicts cardiovascular disease and mortality. Monomeric and oligomeric flavanols (MOFs) are linked to improved vascular health. The aim of this study was to assess the effect of 3 months MOFs on albuminuria and endothelial function markers in patients with type 2 diabetes and microalbuminuria. We conducted a double-blind, placebo-controlled trial among patients with type 2 diabetes and microalbuminuria. Patients with type 2 diabetes received either 200 mg MOFs or placebo daily on top of their habitual diet and medication. The primary endpoint was the between-group difference of the change in 24-h Albumin Excretion Rate (AER) over three months. Secondary endpoints were the between-group differences of the change in plasma levels of different markers of endothelial dysfunction. Mixed-modelling was applied for the longitudinal analyses. Participants (n = 97) were 63.0 ± 9.5 years old; diabetes-duration was 15.7 ± 8.5 years. Median baseline AER was 60 (IQR 20–120) mg/24 h. There was no within-group difference in median change of AER from baseline to 3 months in the intervention (0 (-35-21) mg/24 h, p = 0.41) or the control group (0 (-20-10) mg/24 h, p = 0.91). There was no between-group difference in the course of AER over three months (log-transformed data: β = −0.02 (95%CI -0.23-0.20), p = 0.88), nor in the plasma levels of the endothelial dysfunction markers. Daily 200 mg MOFs for three months on top of habitual diet and usual care did not reduce AER and plasma markers of endothelial dysfunction compared to placebo, in patients with long-term type 2 diabetes and microalbuminuria. NTR4669, www.trialregister.nl. [Display omitted] [ABSTRACT FROM AUTHOR]

Published
2021
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