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Umbral calculus

Known as: Umbral Operator, Umbral, Umbral algebra 
In mathematics before the 1970s, the term umbral calculus referred to the surprising similarity between seemingly unrelated polynomial equations and… Expand
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Related topics

Related topics

20 relations
Abel polynomialsActuarial polynomialsAppell sequenceBernoulli polynomials
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Papers overview

Semantic Scholar uses AI to extract papers important to this topic.
Highly Cited
2012
Highly Cited
2012
Umbral Moonshine
We describe surprising relationships between automorphic forms of various kinds, imaginary quadratic number fields and a certain… Expand
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Highly Cited
2010
Highly Cited
2010
Simulation of the formation of a solar active region
We present a radiative magnetohydrodynamics simulation of the formation of an active region (AR) on the solar surface. The… Expand
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Highly Cited
2006
Highly Cited
2006
Astronomical Data Analysis Software and Systems XV
Until 23 Nov 2003, no total solar eclipse (TSE) had ever been observed from the Antarctic. Yet, interest in securing observations… Expand
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Highly Cited
2005
Highly Cited
2005
Dealing with spatial heterogeneity
Heterogeneity can be dealt with by defining homogeneous equivalent properties, known as averaging, or by trying to describe the… Expand
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Highly Cited
2003
Highly Cited
2003
Scale Dependency of Rarity, Extinction Risk, and Conservation Priority
In developing red data books of threatened species, the World Conservation Union uses measures of rarity, rates of decline, and… Expand
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Highly Cited
2002
Highly Cited
2002
The Landscape Ecology of Invasive Spread
Although habitat loss, fragmentation, and invasive species collectively pose the greatest threats to biodiversity, little… Expand
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Highly Cited
2001
Highly Cited
2001
Positive Feedbacks among Forest Fragmentation, Drought, and Climate Change in the Amazon
Abstract: The Amazon basin is experiencing rapid forest loss and fragmentation. Fragmented forests are more prone than intact… Expand
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2001
2001
Baxter Algebras and the Umbral Calculus
  • Li Guo
  • Adv. Appl. Math.
  • 2001
    • Corpus ID: 119173993
We apply recent constructions of free Baxter algebras to the study of the umbral calculus. We give a characterization of the… Expand
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1996
1996
Umbral calculus, discretization, and quantum mechanics on a lattice
`Umbral calculus' deals with representations of the canonical commutation relations. We present a short exposition of it and… Expand
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Highly Cited
1992
Highly Cited
1992
A Dynamic Analysis of Northern Spotted Owl Viability in a Fragmented Forest Landscape
The Northern Spotted Owl (Strix occidentalis cau- rina) is closely associated witb mature and old-growth co- niferous forests in… Expand
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