Results 41 to 50 of about 2,087,732 (267)

Charge distribution functions for characterization of complex systems

open access: yesХімія, фізика та технологія поверхні, 2021
A set of characteristics calculated within the scope of quantum chemistry methods may be assigned to local ones changing from atom to atom in complex systems. Simple averaging of the related values gives rather poor characteristics of the systems because
V. M. Gun’ko
doaj   +1 more source

The Behavior of a Complex Function at Infinity [PDF]

open access: yesProceedings of the National Academy of Sciences, 1955
Traditionally, the behavior at ∞ of a complex function f is defined as the behavior at 0 of the function obtained by substituting the —1st power into f. This definition adequately describes the class of values f(z) for large z. For instance, the range near ∞of the identity function j (whose value for any z is j(z)=z) coincides with the range near 0 of ...
openaire   +2 more sources

Comparative Drug Response Profiling in Neuroblastoma Cell Lines and Patient‐Derived Tumor Organoids

open access: yesPediatric Blood &Cancer, EarlyView.
ABSTRACT High‐risk neuroblastoma remains a leading cause of pediatric cancer mortality, and improved preclinical models are needed to guide therapeutic developments. We screened seven high‐risk neuroblastoma cell lines and three patient‐derived tumor organoids with 528 compounds alongside bone marrow controls, and compared them with external datasets ...
Krzysztof Wierbiłowicz   +12 more
wiley   +1 more source

Impact of Radiation Therapy on Physical and Psychosocial Health of Adolescents and Young Adults: A Joint Report From the Children's Oncology Group AYA and Radiation Oncology Committees

open access: yesPediatric Blood &Cancer, EarlyView.
ABSTRACT Rates of cancer among adolescents and young adults (AYA), age 15–39 years, are increasing. Consequently, radiation oncologists are treating more AYAs who have diagnoses spanning both pediatric and adult practices. Compared to pediatric and older adult patients, AYAs face a unique set of challenges.
Hesham Elhalawani   +7 more
wiley   +1 more source

The importance of ferric reductases for iron uptake in humans

open access: yesFrontiers in Chemical Biology
Iron is an important metal for all living organisms because it functions as a critical redox catalyst for essential life processes. In the human body, iron is associated with various proteins that regulate vital functions, such as DNA synthesis, oxygen ...
Hitomi Sawai, Hitomi Sawai
doaj   +1 more source

FUNCTIONS ON GROUPS AND COMPUTATIONAL COMPLEXITY [PDF]

open access: yesInternational Journal of Algebra and Computation, 2004
We give some connections between various functions defined on finitely presented groups (isoperimetric, isodiametric, Todd–Coxeter radius, filling length functions, etc.), and we study the relation between those functions and the computational complexity of the word problem (deterministic time, nondeterministic time, symmetric space). We show that the
openaire   +3 more sources

Social Functioning Within the First Years After Pediatric Brain Tumor Diagnosis and the Relationship With Family Psychosocial Risk

open access: yesPediatric Blood &Cancer, EarlyView.
ABSTRACT Background Survivors of pediatric brain tumors (PBTs) can experience long‐term social difficulties, impacting quality of life. Beyond medical and environmental factors, family psychosocial risk may play a role in social outcomes by shaping the caregiving environment and may provide intervention options.
Renske H. Houben   +4 more
wiley   +1 more source

On generalizations of some fixed point theorems in semimetric spaces with triangle functions

open access: yesFrontiers in Applied Mathematics and Statistics
In the present study, we prove generalizations of Banach, Kannan, Chatterjea, Ćirić-Reich-Rus fixed point theorems, as well as of the fixed point theorem for mapping contracting perimeters of triangles.
Evgeniy Petrov   +2 more
doaj   +1 more source

Complex Multivariate Montgomery Type Identity Leading to Complex Multivariate Ostrowski and Grüss Inequalities

open access: yesCommunications in Advanced Mathematical Sciences, 2019
We give a general complex multivariate Montgomery type identity which is a representation formula for a complex multivariate function. Using it we produce general tight complex multivariate high order Ostrowski and Grüss type inequalities.
George Anastassıou
doaj   +1 more source

The Structure and Function of Complex Networks [PDF]

open access: yesSIAM Review, 2003
Inspired by empirical studies of networked systems such as the Internet, social networks, and biological networks, researchers have in recent years developed a variety of techniques and models to help us understand or predict the behavior of these systems.
openaire   +2 more sources

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