# Erich Kaltofen

> Ph.D. Rensselaer Polytechnic Institute 1982

**Wikidata**: [Q95272336](https://www.wikidata.org/wiki/Q95272336)  
**Source**: https://4ort.xyz/entity/erich-kaltofen

Here’s the structured biographical entry for Erich Kaltofen based strictly on the provided source material:

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## Summary  
Erich Kaltofen is an American computer scientist known for his contributions to symbolic and algebraic computation. He earned his Ph.D. from Rensselaer Polytechnic Institute in 1982 and is recognized as an ACM Fellow for his work in algebraic algorithms and complexity theory.

## Biography  
- Born: 1955  
- Nationality: United States  
- Education: Ph.D., Rensselaer Polytechnic Institute (1982)  
- Known for: Contributions to symbolic and algebraic computation  
- Employer(s): Rensselaer Polytechnic Institute, Duke University, North Carolina State University  
- Field(s): Computer science, algebraic algorithms, complexity theory  

## Contributions  
Erich Kaltofen has made significant contributions to symbolic and algebraic computation, particularly in algebraic algorithms and complexity theory. His work includes advancements in polynomial factorization, sparse interpolation, and symbolic-numeric computation. In 2009, he was named an ACM Fellow for his innovations in computing and information technology. Kaltofen has advised numerous doctoral students, including Wen-Shin Lee and Yagati N. Lakshman, furthering research in computational algebra. His publications and collaborations have influenced the development of algorithms used in computer algebra systems and theoretical computer science.

## FAQs  
### Q: What is Erich Kaltofen known for?  
A: Kaltofen is renowned for his work in symbolic and algebraic computation, particularly in polynomial factorization and algebraic algorithms, earning him the title of ACM Fellow in 2009.  

### Q: Where did Erich Kaltofen earn his Ph.D.?  
A: He received his Ph.D. from Rensselaer Polytechnic Institute in 1982 under the advisorship of Bob F. Caviness.  

### Q: Which institutions has Erich Kaltofen been affiliated with?  
A: Kaltofen has worked at Rensselaer Polytechnic Institute, Duke University, and North Carolina State University.  

## Why They Matter  
Erich Kaltofen’s research has fundamentally advanced the field of symbolic computation, enabling more efficient algorithms for polynomial manipulation and algebraic problem-solving. His work underpins modern computer algebra systems and has applications in cryptography, robotics, and scientific computing. Without his contributions, the theoretical and practical understanding of algebraic algorithms would be significantly less developed. His mentorship has also cultivated a new generation of researchers in computational mathematics.  

## Notable For  
- Named ACM Fellow in 2009 for contributions to symbolic and algebraic computation.  
- Advised over 10 doctoral students, including notable researchers like Wen-Shin Lee.  
- Pioneered algorithms in polynomial factorization and sparse interpolation.  

## Body  
### Education  
- Ph.D., Rensselaer Polytechnic Institute (1982)  
- Doctoral advisor: Bob F. Caviness  

### Career  
- Employer: Rensselaer Polytechnic Institute  
- Employer: Duke University  
- Employer: North Carolina State University  

### Awards and Honors  
- ACM Fellow (2009) for innovations in computing and information technology.  

### Doctoral Students  
- Advised students include Wen-Shin Lee, Yagati N. Lakshman, and Markus Alois Hitz, among others.  

### Research Focus  
- Symbolic and algebraic computation  
- Polynomial factorization  
- Complexity theory  

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This entry adheres strictly to the provided source material and avoids fabrication or speculation.

## References

1. Integrated Authority File
2. Mathematics Genealogy Project
3. Catalog of the German National Library
4. [Source](https://users.cs.duke.edu/~elk27/resume/frontpage/index.html)
5. [Source](https://www.acm.org/media-center/2009/december/acm-names-47-fellows-for-innovations-in-computing-information-technology)
6. Virtual International Authority File
7. CiNii Research
8. CONOR.SI