scholarly journals Some integral curvature estimates for the Ricci flow in four dimensions

2020 ◽  
Vol 28 (3) ◽  
pp. 707-727
Author(s):  
Miles Simon
Keyword(s):  
Ricci Flow ◽  
Integral Curvature ◽  
Four Dimensions ◽  
Curvature Estimates

scholarly journals Some curvature estimates of Kähler-Ricci flow

2019 ◽  
Vol 147 (6) ◽  
pp. 2641-2654
Author(s):  
Man-Chun Lee ◽  
Luen-Fai Tam
Keyword(s):  
Ricci Flow ◽  
Curvature Estimates

scholarly journals Local curvature estimates of long-time solutions to the Kähler-Ricci flow

2020 ◽  
Vol 375 ◽  
pp. 107416
Author(s):  
Frederick Tsz-Ho Fong ◽  
Yashan Zhang
Keyword(s):  
Ricci Flow ◽  
Local Curvature ◽  
Curvature Estimates ◽  
Long Time

FACT-2 – The Frankfurt Adaptive Concentration Test

2009 ◽  
Vol 25 (2) ◽  
pp. 73-82 ◽  
Author(s):  
Frank Goldhammer ◽  
Helfried Moosbrugger ◽  
Sabine A. Krawietz
Keyword(s):  
Convergent Validity ◽  
Four Dimensions ◽  
Measurement Models ◽  
Cognitive Failures ◽  
Concentration Test ◽  
Cognitive Failures Questionnaire

The Frankfurt Adaptive Concentration Test (FACT-2) requires discrimination between geometric target and nontarget items as quickly and accurately as possible. Three forms of the FACT-2 were constructed, namely FACT-I, FACT-S, and FACT-SR. The aim of the present study was to investigate the convergent validity of the FACT-SR with self-reported cognitive failures. The FACT-SR and the Cognitive Failures Questionnaire (CFQ) were completed by 191 participants. The measurement models confirmed the concentration performance, concentration accuracy, and concentration homogeneity dimensions of FACT-SR. The four dimensions of the CFQ (i.e., memory, distractibility, blunders, and names) were not confirmed. The results showed moderate convergent validity of concentration performance, concentration accuracy, and concentration homogeneity with two CFQ dimensions, namely memory and distractibility/blunders.

The Four Dimensions Of The Catalan Model

2000 ◽  
Vol 33 (First Serie (1) ◽  
pp. 100-111
Author(s):  
Pau Piuig i Scotoni
Keyword(s):  
Four Dimensions
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