Results 71 to 80 of about 980 (86)

M-matrices satisfy Newton's inequalities

, 2005
Newton's inequalities $c_n^2 \ge c_{n-1}c_{n+1}$ are shown to hold for the normalized coefficients $c_n$ of the characteristic polynomial of any $M$- or inverse $M$-matrix.
Holtz, Olga
core   +1 more source

Matrix Whittaker processes. [PDF]

Probab Theory Relat Fields, 2023
Arista J, Bisi E, O'Connell N.
europepmc   +1 more source

Bounded Littlewood identity related to alternating sign matrices

Forum of Mathematics, Sigma
An identity that is reminiscent of the Littlewood identity plays a fundamental role in recent proofs of the facts that alternating sign triangles are equinumerous with totally symmetric self-complementary plane partitions and that alternating sign ...
Ilse Fischer
doaj   +1 more source

On the elementary symmetric functions of a sum of matrices

, 2009
Often in mathematics it is useful to summarize a multivariate phenomenon with a single number and in fact, the determinant -- which is represented by det -- is one of the simplest cases.
Costas-Santos, R. S.
core   +1 more source

Pattern Hopf Algebras. [PDF]

Ann Comb, 2022
Penaguiao R.
europepmc   +1 more source

An instance of umbral methods in representation theory: the parking function module

, 2008
We test the umbral methods introduced by Rota and Taylor within the theory of representation of symmetric group. We define a simple bijection between the set of all parking functions of length $n$ and the set of all noncrossing partitions of $\{1,2,...,n\
Petrullo, P., Senato, D.
core  

Augmented monomials in terms of power sums. [PDF]

Springerplus, 2015
Merca M.
europepmc   +1 more source

Schur-convexity, Schur-geometric and Schur-harmonic convexity for a composite function of complete symmetric function. [PDF]

Springerplus, 2016
Shi HN, Zhang J, Ma QH.
europepmc   +1 more source

Genetic snapshots of the Rhizobium species NGR234 genome. [PDF]

Genome Biol, 2000
Viprey V, Rosenthal A, Broughton WJ, Perret X.   +3 more
europepmc   +1 more source

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Some combinatorial aspects of S^1 fixed points of Peterson varieties

, 2017
In this paper we investigate the partial order set An of S 1 fixed points of the Peterson variety Petn, a special subset of involutions of symmetric group Sn. The order is induced by the Bruhat order of Sn.
Praise Adeyemo
semanticscholar   +1 more source