Results 81 to 90 of about 8,837 (157)
Journal of Child Psychology and Psychiatry, Volume 66, Issue 12, Page 1829-1848, December 2025.Background Borderline personality disorder (BPD) typically emerges during adolescence and early adulthood and has severe personal, social and economic consequences. Despite significant research efforts on early intervention over the past two decades, delays in diagnosis and treatment are still common, and exclusion of individuals with BPD from mental ...
Michael Kaess, Marialuisa Cavelti
wiley +1 more source
, 2009 Star formation, which drives the evolution of baryonic matter in the universe, occurs in the densest regions of the interstellar medium. As a result much of the emergent short wavelength radiation, UV to near IR, is absorbed by intervening dust and ...
Giovanelli, Riccardo +3 more
core
An empirical evaluation of imbalanced data strategies from a practitioner's point of view
, 2018 This research tested the following well known strategies to deal with binary imbalanced data on 82 different real life data sets (sampled to imbalance rates of 5%, 3%, 1%, and 0.1%): class weight, SMOTE, Underbagging, and a baseline (just the base ...
Franceschinell, Rodrigo A. +1 more
core
Optimal two parameter bounds for the Seiffert mean
, 2012 In this note we obtain sharp bounds for the Seiffert mean in terms of a two parameter family of means. Our results generalize and extend the recent bounds presented in the Journal of Inequalities and Applications (2012) and Abstract and Applied Analysis (2012).
Chu, Yu-Ming +2 more
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Sharp bounds for Seiffert mean in terms of weighted power means of arithmetic mean and geometric mean [PDF]
Mathematical Inequalities & Applications, 2014 For a,b > 0 with a = b , let P = (a− b)/(4arctana/b−π) , A = (a+ b)/2 , G = √ ab denote the Seiffert mean, arithmetic mean, geometric mean of a and b , respectively. In this paper, we present new sharp bounds for Seiffert P in terms of weighted power means of arithmetic mean A and geometric mean G : ( 2 3 A p1 + 3 G p1 )1/p1 < P < ( 2 3 A p2 + 3 G p2 ...
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Urology Research and Practice, 2019 Introduction: Bladder cancer is the second most frequent cancer of the genitourinary system. Radical cystectomy maintains its position as the gold standard in the treatment of local invasive bladder cancer.
Öztuğ ADSAN +5 more
doaj +2 more sources
An Optimal Double Inequality between Power-Type Heron and Seiffert Means
Journal of Inequalities and Applications, 2010 For , the power-type Heron mean and the Seiffert mean of two positive real numbers and are defined by , ; , and , ; , , respectively.
Wang Miao-Kun, Qiu Ye-Fang, Chu Yu-Ming
doaj
Sharp bounds for the second Seiffert mean in terms of power means
, 2012 For a,b>0 with a\not=b, let T(a,b) denote the second Seiffert mean defined by T(a,b)=((a-b)/(2arctan((a-b)/(a+b)))) and A_{r}(a,b) denote the r-order power mean. We present the sharp bounds for the second Seiffert mean in terms of power means: A_{p_1}(a,b)
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Optical Extraction of Single Microplastics Followed by Online Molecular and Elemental Characterization. [PDF]
Anal ChemElinkmann M +8 more
europepmc +1 more source
Seiffert means, asymptotic expansions and related inequalites
Rad Hrvatske akademije znanosti i umjetnosti. Matematičke znanosti, 2015 In this paper we study inequalities of the form (1 - μ) M1(s, t) + μ M3(s, t) ≤ M2(s, t) ≤ (1 - ν) M1(s, t) + ν M3(s, t), which cover some classical bivariate means and Seiffert means. Using techniques of asymptotic expansions detailed analysis was made and the method for obtaining optimal parameters μ and ν was described.
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