Research Publications

 

· S. Küçükçifçi, C. C. Lindner, and E. Ş. Yazıcı, “The full metamorphosis of l-fold block designs with block size four into l-fold triple systems”, Ars Combinatoria, accepted for publication.

 

· S. Küçükçifçi, C. C. Lindner, and E. Ş. Yazıcı, “The full metamorphosis of l-fold block designs with block size four into l-fold 4-cycle systems”, Ars Combinatoria, accepted for publication.

 

· E. J. Billington, S. Küçükçifçi, C. C. Lindner, and E. Ş. Yazıcı, “Embedding 4-cycle systems into octagon triple systems”, Util. Math., accepted for publication.

 

· S. Küçükçifçi, C. C. Lindner, and G. Quattrocchi, “Embeddings of P3-designs into bowtie and almost bowtie systems, Discrete Math., accepted for publication.

 

· S. Küçükçifçi and G. Yücetürk, “Maximum packing for perfect four-triple configurations”, Discrete Math., Vol 308, Issues 5-6 (2008) 753-762.

 

· S. Küçükçifçi, The intersection problem for PBD(5*,3)s”, Discrete Math., Vol 308, Issues 2-3 (2008) 382-385.

 

· Ö. Özkasap, E. Ş. Yazıcı, S. Küçükçifçi, and M. Çağlar, “Exact performance measures for peer-to-peer epidemic information diffusion”, Lecture Notes in Computer Science, Springer Verlag, 4263 (2006) 866-876.

 

· E. Ş. Yazıcı, S. Küçükçifçi, M. Çağlar,  and Ö. Özkasap, “Exact probability distributions for peer-to-peer epidemic information diffusion, Sigmetrics, Proceedings of Performance MAMA 2006 Workshop.

 

· S. Küçükçifçi, C. C. Lindner and C. A. Rodger,  A partial kite system of order n can be embedded in a kite system of order at most 8n+9”, Ars Combinatoria, 79 (2006) 257-268.

 

· S. Küçükçifçi, “The metamorphosis of l-fold block designs with block size four into a maximum packing of lKn with kites”, Util. Math., 68 (2005) 165-195.

 

· S. Küçükçifçi  and C. C. Lindner, Minimum covering for hexagon triples”, Designs, Codes and Cryptography, 32 (2004) 251-265.

 

· S. Küçükçifçi  and C. C. Lindner, Perfect hexagon triple systems”,  Discrete Math., Vol 279, Issues 1-3 (2004) 325-335.

 

· S. Küçükçifçi, C. C. Lindner and A. Rosa, “The metamorphosis of l-fold block designs with block size four into a maximum packing of lKn with 4-cycles”, Discrete Math., Vol 278, Issues 1-3 (2004) 175-193.

 

· S. Küçükçifçi  and C. C. Lindner, “The metamorphosis of l-fold block designs with block size four into l-fold K4 \ e - systems, l ³ 2”, Util. Math., 63 (2003) 239-254.

 

· S. Küçükçifçi, “Cycles in 2-factorizations of Kn”, Anadolu University Journal of Science and Technology, Vol 3, Number 3 (2002) 413-419.

 

· S. Küçükçifçi, “The number of 8-cycles in 2-factorizations of Kn minus a 1-factor”, Util. Math., 61 (2002) 225-237.

 

· S. Küçükçifçi  and C.C. Lindner, “The metamorphosis of l-fold block designs with block size four into l-fold kite systems”, J. Combin. Mat. Combin. Comput., 40 (2002) 241-252.

 

· S. Küçükçifçi, “The number of 8-cycles in 2-factorizations of Kn”, Australas. J. of Combin., Vol 22 (2000) 201-218.

 

 

Papers in Review Process

 

·An analytical framework for self-organizing peer-to-peer anti-entropy algorithms”, with M. Çağlar, Ö. Özkasap, and E. Ş. Yazıcı, (submitted for publication).

 

 

Conference Presentations

 

· 31st Southestern International Conference on Combinatorics, Graph Theory, and Computing, Florida Atlantic University, Boca Raton, Florida, USA,  March 2000.

(Presentation: “The number of 8-cycles in 2-factorizations of  Kn”)

 

· 32nd Southestern International Conference on Combinatorics, Graph Theory, and Computing, Louisiana State University, Baton Rouge, Louisiana, USA,  March 2001.

(Presentation: “The metamorphosis of l-fold block designs with block size four into l-fold K4 \ e - systems, l ³ 2”)

 

· Ulusal Matematik Sempozyumu, Anadolu Üniversitesi, Eskişehir, September 2001.

(Presentation: “Tam grafların özel parçalanışlarındaki döngüler”)

 

· 33rd Southestern International Conference on Combinatorics, Graph Theory, and Computing, Florida Atlantic University, Boca Raton, Florida, USA, March 2002.

(Presentation: “Perfect hexagon triple systems”)

 

· Antalya Algebra Days, Antalya, May 2002.

(Presentation: “The metamorphosis of l-fold block designs with block size four into l-fold kite systems”)

 

· Combinatorics 2002, Università della Basilicata, Maratea, Italy, June 2002.

(Presentation: “Perfect hexagon triple systems”)

 

 · 3rd Pythagorean Conference, An Advanced Research Workshop in Geometry, Combinatorial Designs, and Cryptology, Faliraki, Rhodes, Greece, June 2003.

(Presentation: “Minimum covering for perfect hexagon triple systems”)

 

· International Symposium on Graphs, Designs, and Applications, Messina, Italy, September 2003.

(Presentation: “Minimum covering for perfect hexagon triple systems”)

 

· İstatistik Fizik Günleri, İTÜ, İstanbul, June 2004.

(Presentation: “Combinatorial design theory”)

 

· Combinatorics 2004, Università degli studi di Catania, Acireale, Italy, September 2004.

(Presentation: “The intersection problem for PBD(5*,3)s”)

 

· 20th British Combinatorial Conference, University of Durham, Durham, UK, July 2005.

(Presentation: “Maximum packing for perfect four-triple configurations”)

 

· Workshop on Algebraic and Geometric Aspects of Latin Trades, Prague, Czech Republic, February 2006.

(Presentation:  “The intersection problem for PBD(5*,3)s”)

 

· Combinatorics 2006, Università di Napoli “Federico II, Seconda Università di Napoli, Ischia, Italy, June-July 2006.

(Presentation: “The full metamorphosis of  l-fold block designs with block size four into l-fold triple systems”)

 

· Design Theory of Alex Rosa, Bratislava, Slovakia, July 2007.

(Presentation: “Embedding 4-cycle systems into octagon triple systems”)

 

 

Conference Organizations

 

· 1st İstanbul Design Theory and Combinatorics Conference in Honor of 70th Birthday of Curt Lindner

 

 

Mathematics articles in non-academic journals

 

· S. Küçükçifçi, “Steiner üçlü sistemleri ve çizgeler” (Steiner triple systems and graphs), Matematik Dünyası, Vol.:13, Issue: 4 (2004) 22-27.

 

· S. Küçükçifçi and Sibel Özkan, “Tasarımlar” (Designs), Matematik Dünyası, Vol.:13, Issue: 4 (2004) 28-34.
 

· S. Küçükçifçi, “Afin ve izdüşümsel düzlemler” (Affine and projective planes), Matematik Dünyası, Vol.:13, Issue: 4 (2004) 42-46.

· S. Küçükçifçi, “Hadamard matrisleri” (Hadamard matrices), Matematik Dünyası, Vol.:13, Issue: 4 (2004) 51-54.

· S. Küçükçifçi, “Kapsayıcı ağaç sayısı” (The number of spanning trees), Matematik Dünyası, Vol.:14, Issue: 1 (2005) 46-49.

 

Thesis supervised

M.S. Thesis:

 

Güven Yücetürk, Group divisible designs, Koç University, 2006.

 

Çiçek Güven, Coloring of Steiner triple systems, Koç University, 2007.

 

Work as a committee member of M.S. and Ph.D. thesis:

Ph.D. Thesis:

• Murat Tezer, Cycle decomposition and graph labelings, Eastern Mediterranean University, 2003.

M.S. Thesis:

Hayri Ardal, Coloring problem in combinatorial structure, Boğaziçi University, 2002.

Selin Enüst Çalışkan, Room squares and related combinatorial objects, Boğaziçi University, 2003.

Emre Kolotoğlu, “Defining sets of designs”, Koç University, 2007.