Results 241 to 250 of about 3,271,968 (288)

Subperiosteal peri‐implant augmented layer to correct bone dehiscence at immediate implant placement

open access: yesClinical Advances in Periodontics, EarlyView.
Abstract Background The purpose of the present case report is to describe the potential of the subperiosteal peri‐implant augmented layer (SPAL) technique in peri‐implant bone dehiscence (PIBD) correction at immediate implant placement (IIP). Methods This case report describes the application of the SPAL technique in two patients undergoing IIP at ...
Tommaso Grenzi   +3 more
wiley   +1 more source

Programmable optical filters based on feed-forward photonic meshes. [PDF]

open access: yesLight Sci Appl
Valdez CG   +6 more
europepmc   +1 more source

Strain-specific genetic relationships between Mycoplasma synoviae immunity and egg production traits in two layer lines. [PDF]

open access: yesPoult Sci
Niu X   +12 more
europepmc   +1 more source

Identities in Upper Triangular Tropical Matrix Semigroups and the Bicyclic Monoid [PDF]

open access: yesJournal of Algebra, 2018
We establish necessary and sufficient conditions for a semigroup identity to hold in the monoid of $n\times n$ upper triangular tropical matrices, in terms of equivalence of certain tropical polynomials. This leads to an algorithm for checking whether such an identity holds, in time polynomial in the length of the identity and size of the alphabet.
Mark Kambites   +2 more
exaly   +8 more sources

Abelian Gradings on Upper Block Triangular Matrices

open access: yesCanadian Mathematical Bulletin, 2012
Let G be an arbitrary finite abelian group. We describe all possible G-gradings on upper block triangular matrix algebras over an algebraically closed field of characteristic ...
Angela Valenti   +1 more
exaly   +2 more sources
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Graded Involutions on Upper-triangular Matrix Algebras

Algebra Colloquium, 2009
Let UTn be the algebra of n × n upper-triangular matrices over an algebraically closed field of characteristic zero. We describe all G-gradings on UTn by a finite abelian group G commuting with an involution (involution gradings).
VALENTI, Angela, ZAICEV MV
openaire   +2 more sources

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