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Development Of Cfl-Free, Explicit Schemes For Multidimensional Advection-Reaction Equations, Hong Wang, Jiangguo Liu
Development Of Cfl-Free, Explicit Schemes For Multidimensional Advection-Reaction Equations, Hong Wang, Jiangguo Liu
Faculty Publications
We combine an Eulerian–Lagrangian approach and multiresolution analysis to develop unconditionally stable, explicit, multilevel methods for multidimensional linear hyperbolic equations. The derived schemes generate accurate numerical solutions even if large time steps are used. Furthermore, these schemes have the capability of carrying out adaptive compression without introducing mass balance error. Computational results are presented to show the strong potential of the numerical methods developed.
Helping At-Risk Students Add Up: Motivational Lessons For Students In High School Mathematics, Karen Beckner
Helping At-Risk Students Add Up: Motivational Lessons For Students In High School Mathematics, Karen Beckner
Mahurin Honors College Capstone Experience/Thesis Projects
No abstract provided.
Math Major, Math Major, Arthur T. Benjamin
Math Major, Math Major, Arthur T. Benjamin
All HMC Faculty Publications and Research
Sung to the tune of "Matchmaker" from Fiddler on the Roof:
Math major, math major, make me some math.
Find me a prime, sketch me a path.
Math major, math major look through your books,
And make me some perfect math.
Σary, Minnesota State University Moorhead, Mathematics Department
Σary, Minnesota State University Moorhead, Mathematics Department
Math Department Newsletters
No abstract provided.
Mathematical Constance (A Poem Dedicated To Constance Reid), Arthur T. Benjamin
Mathematical Constance (A Poem Dedicated To Constance Reid), Arthur T. Benjamin
All HMC Faculty Publications and Research
Mathematical Constance (A Poem Dedicated to Constance Reid)
I think that I shall never see
A constant lovelier than e,
Whose digits are too great too state,
They're 2.71828…
And e has such amazing features
It's loved by all (but mostly teachers).
With all of e's great properties
Most integrals are done with … ease.
Theorems are proved by fools like me
But only Euler could make an e.
I suppose, though, if I had to try
To choose another constant, I
Might offer i or phi or pi.
But none of those would satisfy.
Of all the …
There Really Are No Contradictions: A Response, Calvin Jongsma
There Really Are No Contradictions: A Response, Calvin Jongsma
Faculty Work Comprehensive List
Response to "There are no Contradictions" by T.G. Ammon in The College Mathematics Journal, Vol. 31, No. 1 (Jan., 2000), pp. 48-49 which was part of the "Fallacies, Flaws, and Flimflam" column edited by Ed Barbeau of the Department of Mathematics at the University of Toronto.
Abstracting Aristotle’S Philosophy Of Mathematics, John J. Cleary
Abstracting Aristotle’S Philosophy Of Mathematics, John J. Cleary
Research Resources
In the history of science perhaps the most influential Aristotelian division was that
between mathematics and physics. From our modern perspective this seems like an unfortunate deviation from the Platonic unification of the two disciplines, which guided Kepler and Galileo towards the modern scientific revolution. By contrast, Aristotle’s sharp distinction between the disciplines seems to have led to a barren scholasticism in physics, together with an arid instrumentalism in Ptolemaic astronomy. On the positive side, however, astronomy was liberated from commonsense realism for the conceptual experiments of Aristarchus of Samos, whose heliocentric hypothesis was not adopted by later astronomers because …
An Ellam Scheme For Multidimensional Advection-Reaction Equations And Its Optimal-Order Error Estimate, Hong Wang, Xiquan Shi, Richard E. Ewing
An Ellam Scheme For Multidimensional Advection-Reaction Equations And Its Optimal-Order Error Estimate, Hong Wang, Xiquan Shi, Richard E. Ewing
Faculty Publications
We present an Eulerian-Lagrangian localized adjoint method (ELLAM) scheme for initial-boundary value problems for advection-reaction partial differential equations in multiple space dimensions. The derived numerical scheme is not subject to the Courant-Friedrichs-Lewy condition and generates accurate numerical solutions even if large time steps are used. Moreover, the scheme naturally incorporates boundary conditions into its formulation without any artificial outflow boundary conditions needed, and it conserves mass. An optimal-order error estimate is proved for the scheme. Numerical experiments are performed to verify the theoretical estimate.
Mathematics As Worship, David J. Stucki
Mathematics As Worship, David J. Stucki
Mathematics Faculty Scholarship
This paper treats worship in a broad, inclusive sense as the primary and necessary response of human beings to their creator. It provides a brief overview of the relationship between mathematics and theology from the Pythagoreans to the present. It argues that all knowledge is contingent upon faith and thus that contemplation of mathematical insights can lead to worship of God.
Unit Sum Numbers Of Abelian Groups And Modules, Christopher Meehan
Unit Sum Numbers Of Abelian Groups And Modules, Christopher Meehan
Doctoral
We discuss some open questions regarding the unit sum numbers of free modules of arbitrary infinite rank over commutative rings and, in particular, over principal ideal domains. The unit sum numbers of rational groups are then investigated: the importance of the rational prime 2 being an automorphism of the rational group is discussed and other results are achieved considering the number and distribution of rational primes which are, or are not, automorphisms of the group. We next prove the existence of rational groups with unit sum numbers greater than 2 but of finite value and we estimate an upper bound …