Results 241 to 250 of about 2,480 (276)

Expanded View of NMR Spin-Lattice Relaxation in Fluorine-Containing Ionic Liquids. [PDF]

J Phys Chem Lett
de Araujo Lima E Souza G, Brandwein E, Pelegano-Titmuss E, Stallworth P, Zhang Y, Oliveira Sebastião PJ, Greenbaum S.   +6 more
europepmc   +1 more source

Beyond Euclid: an illustrated guide to modern machine learning with geometric, topological, and algebraic structures. [PDF]

Mach Learn Sci Technol
Papillon M, Sanborn S, Mathe J, Cornelis L, Bertics A, Buracas D, J Lillemark H, Shewmake C, Dinc F, Pennec X, Miolane N.   +10 more
europepmc   +1 more source

Some Generalizations of Quasi-symmetric Functions and Noncommutative Symmetric Functions

, 2000
In this paper, we investigate various kinds of generalisations of symmetric functions. The classical algebra Sym of symmetric functions is embedded in QSym, the algebra of quasi-symmetric functions, and is also a quotient of the algebra Sym of noncommutative symmetric functions.
Florent Hivert, Jean-Yves Thibon, Hivert Florent   +2 more
exaly   +4 more sources

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Generalized Walsh transforms of symmetric and rotation symmetric Boolean functions are linear recurrent

Applicable Algebra in Engineering, Communications and Computing, 2018
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Francis N Castro, Luis A Medina, Pantelimon Stănică   +2 more
exaly   +3 more sources

The Yang-Baxter equation, symmetric functions, and Schubert polynomials

Discrete Mathematics, 1996
We present an approach to the theory of Schubert polynomials, corresponding symmetric functions, and their generalizations that is based on exponential solutions of the Yang-Baxter equation.
Sergey Fomin, Anatol N Kirillov
exaly   +2 more sources

Free quasi-symmetric functions and descent algebras for wreath products, and noncommutative multi-symmetric functions

Discrete Mathematics, 2010
34 pages; LaTEXInternational audienceWe introduce analogs of the Hopf algebra of Free quasi-symmetric functions with bases labelled by colored permutations. When the color set is a semigroup, an internal product can be introduced.
Jean-Christophe Novelli, Jean-Yves Thibon   +1 more
exaly   +2 more sources

Symmetric g-functions

Topology and Its Applications, 2003
A number of generalizations of metrizability have been defined or characterized in terms of g-functions. We study symmetric g-functions which satisfy the condition that x∈g(n,y) iff y∈g(n,x).
Chris Good
exaly   +2 more sources

Permutation statistics related to a class of noncommutative symmetric functions and generalizations of the Genocchi numbers

Selecta Mathematica, New Series, 2009
International audienceWe prove conjectures of the third author [L. Tevlin, Proc. FPSAC'07, Tianjin] on two new bases of noncommutative symmetric functions: the transition matrices from the ribbon basis have nonnegative integral coefficients. This is done
Florent Hivert, Jean-Christophe Novelli, Lenny Tevlin   +2 more
exaly   +2 more sources

Lambek Functional Representation of Generalized Symmetric Semirings

Russian Mathematics, 2023
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Vechtomov, E. M., Chermnykh, V. V.
openaire   +2 more sources

Generalized symmetric and generalized pseudo-symmetric functions

ICECS'99. Proceedings of ICECS '99. 6th IEEE International Conference on Electronics, Circuits and Systems (Cat. No.99EX357), 2003
We introduce generalized symmetric and generalized pseudo-symmetric functions which can be represented as regular two-dimensional linear arrays. It is possible due in part to generalized symmetries, which can be used when functions are represented using exor-based decompositions. We also identify and use local symmetries.
openaire   +1 more source