Results 61 to 70 of about 2,777,398 (185)

Characteristic functions for sturm—liouville problems with nonlocal boundary conditions

open access: yesMathematical Modelling and Analysis, 2009
This paper presents some new results on a spectrum in a complex plane for the second order stationary differential equation with one Bitsadze‐Samarskii type nonlocal boundary condition.
Artūras Štikonas, Olga Štikonienė
doaj   +1 more source

Concatenation theorems for anti-Gowers-uniform functions and Host-Kra characteristic factors

open access: yesDiscrete Analysis, 2016
Concatenation theorems for anti-Gowers-uniform functions and Host-Kra characteristic factors, Discrete Analysis 2016:13, 61 pp. It is a straightforward exercise to show that if $f$ is a function of two integer variables, and $f(x,y)$ is a polynomial of ...
Terence Tao, Tamar Ziegler
doaj   +1 more source

CHARACTERISTIC OF LABOR FUNCTIONS OF MANAGEMENT PERSONNEL OF EDUCATIONAL ORGANIZATION

open access: yesВестник университета, 2018
The article presents the results of the study of the management of the national education system. The author of the study claries the linear-functional model of educational organization management, consisting of the target subsystem (management of the ...
V. Tarasenko
doaj   +1 more source

A study on postural care after macular hole surgery based on a novel positioning sensor

open access: yesScientific Reports
To investigate the application of a postoperative positioning sensor device with real-time dynamic feedback after idiopathic macular hole (IMH) surgery and the distribution of the effective prone time during the postoperative period. Postoperatively, all
Wenbo Li   +8 more
doaj   +1 more source

Characteristic gut microbiota and predicted metabolic functions in women with PCOS

open access: yesEndocrine Connections, 2020
Polycystic ovary syndrome (PCOS) is a chronic endocrine and metabolic disease. Gut microbiota is closely related to many chronic diseases. In this study, we conducted a cross-sectional study and recruited 30 obese (OG) and 30 non-obese (NG) women with ...
Ling Zhou   +7 more
doaj   +1 more source

Improved Nyquist Filters with a Transfer Characteristic Derived from a Staircase Characteristic Interpolated with Sine Functions

open access: yesAdvances in Electrical and Computer Engineering, 2009
This paper investigates a novel approach for constructing a family of ISI-free pulses produced by improved Nyquist filters with a transfer characteristic derived from an ideal staircase frequency characteristic using interpolation with sine functions ...
ALEXANDRU, N. D., POHOATA, S.
doaj   +1 more source

Some unsolved problems on meromorphic functions of uniformly bounded characteristic

open access: yesInternational Journal of Mathematics and Mathematical Sciences, 1985
The family UBC(R) of meromorphic functions of uniformly bounded characteristic in a Rieman surface R is defined in terms of the Shimizu-Ahlfors characteristic function.
Shinji Yamashita
doaj   +1 more source

Characteristic Functionals [PDF]

open access: yesProceedings of the American Mathematical Society, 1959
Silverman, R. J., Yen, Ti
openaire   +1 more source

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