Results 31 to 40 of about 1,741,837 (286)

A Diophantine Inequality Involving Mixed Powers of Primes with a Specific Type

open access: yesMathematics
Let λ1,λ2,λ3 be nonzero real numbers, not all of the same sign; let λ1/λ2 be irrational; and let η be any real number. We investigate the solvability of the inequality |λ1p1+λ2p2+λ3p32+η|0 in the prime variables p1, p2, and p3.
Tatiana L. Todorova, Atanaska Georgieva
doaj   +1 more source

An Anti-Noise Fast Circle Detection Method Using Five-Quadrant Segmentation

open access: yesSensors, 2023
Extracting circle information from images has always been a basic problem in computer vision. Common circle detection algorithms have some defects, such as poor noise resistance and slow computation speed.
Yun Ou   +4 more
doaj   +1 more source

Labeling of Unique Sequences in Double-Stranded DNA at Sites of Vicinal Nicks Generated by Nicking Endonucleases [PDF]

open access: yes, 2008
We describe a new approach for labeling of unique sequences within dsDNA under nondenaturing conditions. The method is based on the site-specific formation of vicinal nicks, which are created by nicking endonucleases (NEases) at specified DNA sites on ...
Frank-Kamenetskii, Maxim D., Kuhn, Heiko
core   +3 more sources

Sets that contain their circle centers

open access: yes, 2007
Say that a subset S of the plane is a "circle-center set" if S is not a subset of a line, and whenever we choose three noncollinear points from S, the center of the unique circle through those three points is also an element of S.
Martin, Greg
core   +2 more sources

Cerebrospinal Fluid Liquid Biopsy Enables Targeted Therapy Without Tissue Diagnosis in Pediatric Low‐Grade Gliomas With BRAF V600E Mutation

open access: yesPediatric Blood &Cancer, EarlyView.
ABSTRACT We present two pediatric cases of pediatric low‐grade gliomas (PLGG) with BRAF V600E mutations diagnosed and monitored using cerebrospinal fluid (CSF) liquid biopsy analyzed via digital droplet PCR (ddPCR), without tissue biopsy. Both patients were treated with dabrafenib and trametinib and monitored through clinical assessments, magnetic ...
Hannah Sultan   +5 more
wiley   +1 more source

Positioning Accuracy Model of Sailing‐Circle GPS‐Acoustic Method

open access: yesEarth and Space Science, 2021
Sailing‐circle GPS‐acoustic method, prevalently applied for measuring ocean floor crustal deformation, allows the precise positioning of an underwater transponder in a global frame.
Xinhua Chen   +4 more
doaj   +1 more source

The circle method and bounds for $L$-functions - I [PDF]

open access: yes, 2012
Let $f$ be a Hecke-Maass or holomorphic primitive cusp form of arbitrary level and nebentypus, and let $\chi$ be a primitive character of conductor $M$. For the twisted $L$-function $L(s,f\otimes \chi)$ we establish the hybrid subconvex bound $$ L(1/2+it,
Munshi, Ritabrata
core  

Prognostic Impact of Treatment Modalities, Including Targeted Compartmental Radio‐Immunotherapy, in a Cohort of Neuroblastoma Patients With CNS Metastases at Relapse

open access: yesPediatric Blood &Cancer, EarlyView.
ABSTRACT Introduction Neuroblastoma (NB) with central nervous system (CNS) metastases is rare at diagnosis, but occurs more often during relapse/progression. Patients with CNS metastases face a dismal prognosis, with no standardized curative treatment available.
Vicente Santa‐Maria Lopez   +13 more
wiley   +1 more source

The ternary Goldbach problem with primes in arithmetic progressions modulus prime numbers

open access: yesAIMS Mathematics
In this paper, assuming the Landau's conjecture, we obtained an explicit numerical upper bound for the prime modulus of arithmetic progressions, in which the ternary Goldbach problem is solvable.
Yafang Kong   +3 more
doaj   +1 more source

A Graphical Method for Great Circle Routes

open access: yesPolish Maritime Research, 2017
A great circle route (GCR) is the shortest route on a spherical earth model. Do we have a visual diagram to handle the shortest route? In this paper, a graphical method (GM) is proposed to solve the GCR problems based on the celestial meridian diagram ...
Hsu Tien-Pen   +2 more
doaj   +1 more source

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