Neural Networks Computations With DOMINATION Functions.pdf

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Preview of Neural Networks Computations with DOMINATION Functions
🔗 Source: paradise.caltech.edu
📊 Size: 250 KB
📄 Pages: 6 pages
⬇️ Downloads: 70

Summary

Key Insights:

DOMINATION Function Definition: A DOMINATION function decides 1 if an n-bit integer is greater than or equal to a fixed integer, determined by the location of its most significant 1s. It can be realized through a weighted summation and a thresholding element.
Generalization: The authors extend this concept to handle any linear threshold function (LTF) by representing weights as powers of two and using an expanded input alphabet. This allows for computation using an (n+1)-ary DOMINATION gate.
Sparsity Metric: A key metric introduced is sparsity, S, which quantifies the maximum possible value each output of the DOMINATION gate can take. It's shown to be bounded by n + 1 and generally O(n). For a specific comparison function (which has sparsity 1), small-size constant-weight circuits can be used.
Circuit Complexity: The paper investigates circuit complexity, focusing on upper and lower bounds for implementing DOMINATION functions with "simpler" gates. The sparsity of the connectivity graph plays a crucial role in determining circuit size.

Significance:

This work offers a new perspective on neural network computation by leveraging DOMINATION functions as building blocks. By analyzing the sparsity of the underlying graph, it provides insights into efficient circuit design for LTFs, potentially leading to more compact and effective neural network architectures.

Description

Researchers Kordag Mehmet Kilic and Jehoshua Bruck propose a novel neural network representation using DOMINATION functions, demonstrated through unweighted bipartite graphs connected to universal gates. They derive circuit-size bounds for these functions, showing that sparser functions can be implemented with smaller circuits, notably those with sparsity 1 (like EQUALITY) using constant-weight circuits.

Technical Information

  • File Format: PDF
  • File Size: 250 KB
  • Pages: 6
  • Language: EN
  • Total Downloads: 70
  • Last Updated: 6 days ago

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