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Hafnian

In mathematics, the hafnian of an adjacency matrix of a graph is the number of perfect matchings in the graph. It was so named by Eduardo R… 
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Related topics

Related topics

3 relations
Adjacency matrixMatching (graph theory)

Broader (1)

Algebraic graph theory

Papers overview

Semantic Scholar uses AI to extract papers important to this topic.
2019
2019
The hafnian of Toeplitz matrices of a special type, perfect matchings and Bessel polynomials
We present a simple and convenient analytical formula for efficient exact computation of the hafnian of Toeplitz matrices of a… 
2018
2018
The Hafnian and a Commutative Analogue of the Grassmann Algebra
A close relationship between the determinant, the pfaffian, and the Grassmann algebra is well-known. In this paper, a similar… 
2018
2018
A faster calculation of Franck-Condon factors and Fock matrix elements of Gaussian unitaries using loop hafnians
We show that the Franck-Condon Factor (FCF) associated to a transition between initial and final vibrational states in two… 
2017
2017
A novel approach to perturbative calculations for a large class of interacting boson theories
2015
2015
A pr 2 01 5 Quantum Permanents and Quantum Hafnians
Analogous to the quantum general linear group, a quantum group is investigated on which the quantum determinant is shown to be… 
2010
2010
REMARKS ON THE α–PERMANENT
We recall Vere-Jones’s definition of the α–permanent and describe the connection between the (1/2)–permanent and the hafnian. We… 
2008
2008
Hafnian zircon as a tracer for rare metal exploration
The major difficulty for the application of tracer minerals as mineralogical tool in geological ex- ploration is to differentiate… 
2008
2008
NOTA BREVE: Hafnian zircon as a tracer for rare metal exploration
A maior dificuldade para utilizar minerais tracadores como ferramenta na exploracao geologica e a de diferenciar, nas amostras… 
1995
1995
Discovery of hafnian zircons in the Suzhou granite
in Norway. Then, Hf-rich zircons have been recognized in manylocalities of the world. It is worth while to note that Correia… 
1961
1961
Hafnian Zircons
AMONG quadrivalent trace elements, hafnium is a constant and inseparable associate of the more common zirconium. All zirconium… 
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