Zobrazeno 1 - 10
of 17
pro vyhledávání: '"Bitjong Ndombol"'
Autor:
Moulion Tapouh, Jean Roger, Bitjong Ndombol, Grégory, Ouogue Teingueng, Francisse Xavier, Dongmo Fomekong, Sylviane, Samba, Odette Ngano, Moifo, Boniface
Publikováno v:
Journal Africain d’Imagerie Médicale; Vol. 14 No. 3 (2022); 183-192
Objective : Evaluate the patient radiation doses and the justification of chest radiography in children, in Yaoundé – Cameroon.Methods : A cross-sectional study was carried out on 118 children aged from 0 to 15 years in the Radiology units of Yaou
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=78975075580c::f0e95ec620b7c13912bf8deec8078898
https://www.ajol.info/index.php/jaim/article/view/239845
https://www.ajol.info/index.php/jaim/article/view/239845
Autor:
Bitjong Ndombol, Calvin Tcheka
Publikováno v:
Journal of Homotopy and Related Structures. 13:385-394
In this note, we use the notion of semi-free resolution to give a new proof of J. D. S. Jones’ theorem (Invent Math 87:403–423, 1987) which establishes an isomorphism of graded vector spaces between the Hochschild homology and the cohomology of t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f9cdeec7e046254e865b197b7bafdfd7
https://doi.org/10.1007/s40062-017-0185-z
https://doi.org/10.1007/s40062-017-0185-z
Publikováno v:
Gulf Journal of Mathematics. 7
Given an almost paracontact metric manifold $(\overline {M}, \overline{ \phi},\overline {\eta}, \xi, \overline {g})$, we study lightlike hypersurfaces $M$ of the semi-Riemannian manifold $(\overline {M},\overline{g})$ transversal to the structure vec
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b6f2d9affbc44fabdeec51820b993ede
https://doi.org/10.56947/gjom.v7i2.190
https://doi.org/10.56947/gjom.v7i2.190
Publikováno v:
Archivum Mathematicum. :131-140
We present some lifts (associated to a product preserving gauge bundle functor on vector bundles) of sections of the dual bundle of a vector bundle, some derivations and linear connections on vector bundles.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::243b25ba03fa2ff4b181cb75991cfa36
https://doi.org/10.5817/am2016-3-131
https://doi.org/10.5817/am2016-3-131
Publikováno v:
Archivum Mathematicum. :161-169
For a product preserving gauge bundle functor on vector bundles, we present some lifts of smooth functions that are constant or linear on fibers, and some lifts of projectable vector fields that are vector bundle morphisms.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a67588386accb1851e521182fc2224d7
https://doi.org/10.5817/am2014-3-161
https://doi.org/10.5817/am2014-3-161
Autor:
Jean-Claude Thomas, Bitjong Ndombol
Publikováno v:
Journal of Pure and Applied Algebra
Journal of Pure and Applied Algebra, 2010, 214 (6), pp.937-949. ⟨10.1016/j.jpaa.2009.09.003⟩
Journal of Pure and Applied Algebra, 2010, 214 (6), pp.937-949. ⟨10.1016/j.jpaa.2009.09.003⟩
MSC : 55P35; 54N45; 18E30; 55U35; 57T30; International audience; The closed geodesic problem has been solved by many authors under additional hypothesis. In this paper we develop a new way to solve this problem, by defining finitely many obstruction
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f238927912060d4e5b23d6ffcf4b20ec
https://doi.org/10.1016/j.jpaa.2009.09.003
https://doi.org/10.1016/j.jpaa.2009.09.003
Autor:
M. El haouari, Bitjong Ndombol
Publikováno v:
Mathematische Zeitschrift. 266:863-875
Let \({\mathbb{K}}\) be a field of characteristic p > 0 and S1 the unit circle. We construct a model for the negative cylic homology of a commutative cochain algebra with two stages Sullivan minimal model. Using the notion of shc-formality introduced
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::fa006616169f4e69f6b339a90997abe7
https://doi.org/10.1007/s00209-009-0602-z
https://doi.org/10.1007/s00209-009-0602-z
Autor:
Mohammed El Haouari, Bitjong Ndombol
Publikováno v:
Mathematische Annalen. 338:385-403
Let \({\mathbb{K}}\) be a field of characteristic \({p\geq 0}\) and S1 the unit circle. We prove that the shc-structure on a cochain algebra (A,dA) induces an associative product on the negative cyclic homology HC*−A. When the cochain algebra (A,dA
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::70dc12b921801b1777ebd4ea8290d1c6
https://doi.org/10.1007/s00208-006-0079-6
https://doi.org/10.1007/s00208-006-0079-6
Autor:
Bitjong Ndombol, Jean-Claude Thomas
Publikováno v:
Journal of Pure and Applied Algebra. 192:239-264
In this paper we use May's algebraic approach to Steenrod operation in conjunction with Munkholm's notion of shc-algebra in order to introduce what we call a π-shc-algebra. (π is a cyclic group of order a fixed prime p.) We prove that the homology
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::604582407eefbc5568eeed433134f146
https://doi.org/10.1016/j.jpaa.2004.02.003
https://doi.org/10.1016/j.jpaa.2004.02.003
Autor:
Bitjong Ndombol, Jean-Claude Thomas
Publikováno v:
Topology. 41:85-106
Let $X$ be a simply connected space and $\Bbb K$ be any field. The normalized singular cochains $N^*(X; {\Bbb K})$ admit a natural strongly homotopy commutative algebra structure, which induces a natural product on the Hochschild homology $HH_* N^*X$
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d8e1ce9d0de467e987d565c901664e97
https://doi.org/10.1016/s0040-9383(00)00022-7
https://doi.org/10.1016/s0040-9383(00)00022-7