Related Experiment Video
Updated: Aug 9, 2026

06:35
Construction and Systematical Symmetric Studies of a Series of Supramolecular Clusters with Binary or Ternary Ammonium Triphenylacetates
Published on: February 15, 2016
MacMahon's conjecture on symmetric plane partitions
1Mathematics Research Center, 610 Walnut Street, Madison, Wisconsin 53706.
Summary
This study outlines a proof for MacMahon's 1898 conjecture regarding a simple closed form for generating symmetric plane partitions. The findings simplify the mathematical understanding of these combinatorial objects.
Area of Science:
- Combinatorics
- Algebraic Combinatorics
- Number Theory
Background:
- Introduces MacMahon's 1898 conjecture on symmetric plane partitions.
- Highlights the significance of finding a simple closed-form generating function.
Purpose of the Study:
- To provide an outline of the proof for MacMahon's conjecture.
- To elucidate the mathematical structure of symmetric plane partitions.
Main Methods:
- The study presents a proof outline, detailing the combinatorial and algebraic techniques used.
- Focuses on the properties of generating functions for restricted plane partitions.
Main Results:
- Confirms MacMahon's conjecture regarding the simple closed form.
- Demonstrates the existence of a simplified generating function for symmetric plane partitions with specific constraints.
Conclusions:
- The conjecture is proven, offering a significant advancement in the study of symmetric plane partitions.
- The results provide a foundational understanding for further research in partition theory and related fields.
Related Concept Videos
Symmetric Member in Bending
In the study of the mechanics of materials, analyzing the behavior of prismatic members under opposing couples is crucial for understanding internal stress distributions, which are essential for structural design. When subjected to couples, a prismatic member experiences internal forces that maintain equilibrium. A couple, characterized by two equal and opposite forces, creates a moment but no resultant force. The internal forces at any section cut of the member must balance these external...
Plastic Deformations of Members with a Single Plane of Symmetry
When a structural member undergoes plastic deformation due to bending, it is crucial to understand the position of the neutral axis and the stress distribution. This member, characterized by a single plane of symmetry, exhibits a uniform stress distribution, with negative stress above the neutral axis and positive stress below. Notably, the neutral axis does not align with the centroid of the cross-section. This misalignment is typical in cases where the cross-section is not rectangular or...
Theorem of Pappus
The Theorem of Pappus, also known as the Pappus–Guldinus Theorem, provides a geometric method for determining the volume and surface area of solids generated by the revolution of a plane region or a plane curve about an external axis. The theorem consists of two related statements. The first addresses the volume of solids formed by rotating plane areas, while the second addresses the surface area generated by rotating plane curves. Both results depend on the location of the centroid, which...
Parallel-axis Theorem
The parallel-axis theorem provides a convenient and quick method of finding the moment of inertia of an object about an axis parallel to the axis passing through its center of mass. Consider a thin rod as an example. There is a striking similarity between the process of finding the moment of inertia of a thin rod about an axis through its middle, where the center of mass lies, and about an axis through its end using the conventional method. In the conventional method, the concept of linear mass...
Norton's Theorem
Norton's theorem is a fundamental principle stating that a linear two-terminal circuit can be substituted with an equivalent circuit, which comprises a current source (ⅠN) in parallel with a resistor (RN). Here, ⅠN represents the short-circuit current flowing through the terminals, and RN stands for the input or equivalent resistance at the terminals when all independent sources are deactivated. This implies that the circuit illustrated in Figure (a) can be exchanged with the one depicted in...
Mohr's Circle for Plane Strain
Mohr's circle is a crucial graphical method used to analyze plane strain by plotting strain on a set of cartesian coordinates, where the abscissa is normal strain ∈ and the ordinate is shear strain γ. Similarly to Mohr’s circle for plane stress, two points X and Y are plotted. Their coordinates are (∈x, -γXY) and (∈Y, γXY), respectively.
Mohr's circle visually represents the strain states under various conditions, which is essential for understanding material behavior. The center of Mohr's...
Mohr's circle visually represents the strain states under various conditions, which is essential for understanding material behavior. The center of Mohr's...
