Abstract
Paul Spirakis is an eminent, talented, and influential researcher that contributed significantly to computer science. This article is a modest attempt of a biographical sketch of Paul, which we drafted with extreme love and honor.
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Akrida, E., Gasieniec, L., Mertzios, G., Spirakis, P.: Ephemeral networks with random availability of links: diameter and connectivity. In: Proceedings of 26th ACM Symposium on Parallelism in Algorithms and Architectures—SPAA 2014, pp. 267–276 (2014)
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Chatzigiannakis, I., Dimitriou, T.D., Mavronicolas, M., Nikoletseas, S.E., Spirakis, P.G.: A comparative study of protocols for efficient data propagation in smart dust networks. In: Kosch, H., Böszörményi, L., Hellwagner, H. (eds.) Euro-Par 2003. LNCS, vol. 2790, pp. 1003–1016. Springer, Heidelberg (2003)
Chatzigiannakis, I., Dimitriou, T., Mavronicolas, M., Nikoletseas, S., Spirakis, P.: A comparative study of protocols for efficient data propagation in smart dust networks. Parallel Process. Lett. 13(4), 615–627 (2003)
Chatzigiannakis, I., Michail, O., Nikolaou, S., Pavlogiannis, A., Spirakis, P.: Passively mobile communicating machines that use restricted space. Theor. Comput. Sci. 412(46), 6469–6483 (2011)
Chatzigiannakis, I., Nikoletseas, S.E., Paspallis, N., Spirakis, P.G., Zaroliagis, C.D.: An experimental study of basic communication protocols in ad-hoc mobile networks. In: Brodal, G.S., Frigioni, D., Marchetti-Spaccamela, A. (eds.) WAE 2001. LNCS, vol. 2141, pp. 159–171. Springer, Heidelberg (2001)
Chatzigiannakis, I., Nikoletseas, S., Spirakis, P.: Smart dust protocols for local detection and propagation. In: Proceedings of 2nd ACM International Workshop on Principles of Mobile Computing—POMC 2002, pp. 9–16 (2002)
Chatzigiannakis, I., Nikoletseas, S., Spirakis, P.: Distributed communication algorithms for ad hoc mobile networks. J. Parallel Distrib. Comput. 63(1), 58–74 (2003)
Chen, X., Deng, X., Teng, S.-H.: Settling the complexity of computing two-player Nash equilibria. J. ACM 56, 3, Art. No. 14 (2009)
Christodoulou, G., Koutsoupias, E., Spirakis, P.: On the performance of approximate equilibria in congestion games. Algorithmica 61(1), 116–140 (2011)
Czyzowicz, J., Ga̧sieniec, L., Kosowski, A., Kranakis, E., Spirakis, P.G., Uznański, P.: On convergence and threshold properties of discrete Lotka-Volterra population protocols. In: Halldórsson, M.M., Iwama, K., Kobayashi, N., Speckmann, B. (eds.) ICALP 2015. LNCS, vol. 9134, pp. 393–405. Springer, Heidelberg (2015)
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Daskalakis, C., Mehta, A., Papadimitriou, C.: A note on approximate Nash equilibria. In: Spirakis, P.G., Mavronicolas, M., Kontogiannis, S.C. (eds.) WINE 2006. LNCS, vol. 4286, pp. 297–306. Springer, Heidelberg (2006)
Díaz, J., Goldberg, L.A., Mertzios, G.B., Richerby, D., Serna, M.J., Spirakis, P.: Approximating fixation probabilities in the generalized Moran process. Algorithmica 69(1), 78–91 (2014). Preliminary version in SODA 2012
Diaz, J., Koukopoulos, D., Nikoletseas, S., Spirakis, P., Serna, M., Thilikos, D.: Stability and instability of the FIFO protocol. In: Proceedings of 13th ACM Symposium on Parallel Algorithms and Architectures—SPAA 2001, pp. 48–52 (2001)
Díaz, J., Serna, M.J., Spirakis, P.: On the random generation and counting of matchings in dense graphs. Theor. Comput. Sci. 201(1–2), 281–290 (1998)
Dimitriou, T.D., Krontiris, I., Nikakis, F., Spirakis, P.G.: SPEED: Scalable Protocols for Efficient Event Delivery in sensor networks. In: Mitrou, N.M., Kontovasilis, K., Rouskas, G.N., Iliadis, I., Merakos, L. (eds.) NETWORKING 2004. LNCS, vol. 3042, pp. 1300–1305. Springer, Heidelberg (2004)
Fatourou, P., Spirakis, P.: Efficient scheduling of strict multithreaded computations. Theory Comput. Syst. 33(3), 173232 (2000)
Fearnley, J., Goldberg, P.W., Savani, R., Sørensen, T.B.: Approximate well-supported Nash equilibria below two-thirds. In: Serna, M. (ed.) SAGT 2012. LNCS, vol. 7615, pp. 108–119. Springer, Heidelberg (2012)
Fearnley, J., Igwe, T.P., Savani, R.: An empirical study of finding approximate equilibria in bimatrix games. ArXiv/CoRR, abs/1502.04980 (2015)
Fotakis, D., Gkatzelis, V., Kaporis, A., Spirakis, P.: The impact of social ignorance on weighted congestion games. Theory Comput, Syst. 50(3), 559–578 (2012)
Fotakis, D., Kaporis, A., Spirakis, P.: Efficient methods for selfish network design. Theor. Comput. Sci. 448, 9–20 (2012)
Fotakis, D., Kontogiannis, S., Spirakis, P.: Selfish unsplittable flows. Theor. Comput. Sci. 348, 226–239 (2005)
Fotakis, D., Kontogiannis, S., Koutsoupias, E., Mavronicolas, M., Spirakis, P.: The structure and complexity of Nash equilibria for a selfish routing game. Theor. Comput. Sci. 410(36), 3305–3326 (2009)
Fotakis, D., Kontogiannis, S., Spirakis, P.: Atomic congestion games among coalitions. ACM Trans. Algorithms 4, 4 (2008)
Fotakis, D., Nikoletseas, S., Papadopoulou, V., Spirakis, P.: Radiocoloring in planar graphs: complexity and approximations. Theor. Comput. Sci. 340(3), 514–538 (2005)
Fotakis, D.A., Spirakis, P.G.: A Hamiltonian approach to the assignment of non-reusable frequencies. In: Arvind, V., Sarukkai, S. (eds.) FST TCS 1998. LNCS, vol. 1530, pp. 18–30. Springer, Heidelberg (1998)
Harks, T., Klimm, M., Möhring, R.H.: Characterizing the existence of potential functions in weighted congestion games. Theory Comput. Syst. 49(1), 46–70 (2011)
Hatzis, K., Pentaris, G., Spirakis, P.G., Tampakas, B.: Counting in mobile networks: theory and experimentation. In: Vitter, J.S., Zaroliagis, C.D. (eds.) WAE 1999. LNCS, vol. 1668, pp. 95–109. Springer, Heidelberg (1999)
Hatzis, K., Pentaris, G., Spirakis, P., Tampakas, V., Tan, R.B.: Fundamental control algorithms in mobile networks. In: Proceedings of ACM SPAA 1999, pp. 251–260 (1999)
Jung, J., Kirousis, L.M., Spirakis, P.: Lower bounds and efficient algorithms for multiprocessor scheduling of directed acyclic graphs with communication delays. Inf. Comput. 105, 94–104 (1993)
Kamath, A., Motwani, R., Palem, K., Spirakis, P.: Tail bounds for occupancy and the satisfiability threshold conjecture. In: Proceedings of 35th IEEE Symposium on Foundations of Computer Science—FOCS 1994, pp. 592–603 (1994)
Kannan, R., Theobald, T.: Games of fixed rank: a hierarchy of bimatrix games. Econ. Theory 42, 157–173 (2010). Preliminary version in ACM-SIAM SODA 2007
Kaporis, A., Spirakis, P.: The price of optimum in Stackelberg games on arbitrary single commodity networks and latency functions. Theor. Comput. Sci. 410(8–10), 745–755 (2009)
Kavvadias, D., Pantziou, G., Spirakis, P., Zaroliagis, C.: Hammock-on-Ears decomposition: a technique for the efficient parallel solution of shortest paths and other problems. Theor. Comput. Sci. 168(1), 121–154 (1996). Preliminary version in MFCS 1994
Kedem, Z., Palem, K., Spirakis, P.G.: Efficient robust parallel computations. In: Proceedings of 22nd Annual ACM Symposium on Theory of Computing—STOC 1990, pp. 138–148 (1990)
Kempe, D., Kleinberg, J., Kumar, A.: Connectivity and inference problems for temporal networks. In: Proceedings of 32nd ACM Symposium on Theory of Computing—STOC 2000, pp. 504–513 (2000)
Kirousis, L., Serna, M., Spirakis, P.: The parallel complexity of the connected subgraph problem. SIAM J. Comput. 22(3), 573–586 (1993). Preliminary version in FOCS 1989
Kirousis, L., Spirakis, P., Tsigas, P.: Reading many variables in one atomic operation solutions with linear or sublinear complexity. IEEE Trans. Parallel Distrib. Comput. 5(7), 688–696 (1994)
Kontogiannis, S.C., Panagopoulou, P.N., Spirakis, P.G.: Polynomial algorithms for approximating nash equilibria of bimatrix games. In: Spirakis, P.G., Mavronicolas, M., Kontogiannis, S.C. (eds.) WINE 2006. LNCS, vol. 4286, pp. 286–296. Springer, Heidelberg (2006)
Kontogiannis, S., Spirakis, P.: Approximability of symmetric bimatrix games and related experiments. In: Pardalos, P.M., Rebennack, S. (eds.) SEA 2011. LNCS, vol. 6630, pp. 1–20. Springer, Heidelberg (2011)
Koukopoulos, D., Mavronicolas, M., Nikoletseas, S., Spirakis, P.: The impact of network structure on the stability of greedy protocols. Theory Comput. Syst. 38(4), 425–460 (2005)
Koutsoupias, E., Mavronicolas, M., Spirakis, P.: Approximate equilibria and ball fusion. Theory Comput. Syst. 36, 683–693 (2003)
Kumar, B., Srikant, Y.N.: The best nurturers in computer science research. In: Proceedings of 2005 SIAM International Conference on Data Mining, pp. 566–570; also Technical Report IISc-CSA-TR-2004-10, Computer Science and Automation, Indian Institute of Science, India, October 2004
Mangasarian, O.L., Stone, H.: Two-person nonzero-sum games and quadratic programming. J. Math. Anal. Appl. 9(3), 348–355 (1964)
Mavronicolas, M., Spirakis, P.: The price of selfish routing. Algorithmica 48(1), 91–126 (2007)
Mertzios, G.B., Michail, O., Chatzigiannakis, I., Spirakis, P.G.: Temporal network optimization subject to connectivity constraints. In: Fomin, F.V., Freivalds, R., Kwiatkowska, M., Peleg, D. (eds.) ICALP 2013, Part II. LNCS, vol. 7966, pp. 657–668. Springer, Heidelberg (2013)
Mertzios, G.B., Nikoletseas, S., Raptopoulos, C., Spirakis, P.: Natural models for evolution on networks. Theor. Comput. Sci. 477, 76–95 (2013)
Mertzios, G.B., Nikoletseas, S.E., Raptopoulos, C.L., Spirakis, P.G.: Determining majority in networks with local interactions and very small local memory. In: Esparza, J., Fraigniaud, P., Husfeldt, T., Koutsoupias, E. (eds.) ICALP 2014. LNCS, vol. 8572, pp. 871–882. Springer, Heidelberg (2014)
Michail, O.: An introduction to temporal graphs—an algorithmic perspective. In: Algorithms, Probability, Networks, and Games. LNCS, vol. 9295. Springer, New York (2015)
Michail, O., Chatzigiannakis, I., Spirakis, P.: New Models for Population Protocols. Synthesis Lectures on Distributed Computing Theory. Morgan & Claypool Publishers, San Rafael (2011)
Michail, O., Chatzigiannakis, I., Spirakis, P.: Mediated population protocols. Theor. Comput. Sci. 412(22), 2434–2450 (2011)
Michail, O., Chatzigiannakis, I., Spirakis, P.G.: Naming and counting in anonymous unknown dynamic networks. In: Higashino, T., Katayama, Y., Masuzawa, T., Potop-Butucaru, M., Yamashita, M. (eds.) SSS 2013. LNCS, vol. 8255, pp. 281–295. Springer, Heidelberg (2013)
Michail, O., Chatzigiannakis, I., Spirakis, P.: Causality, influence, and computation in possibly disconnected synchronous dynamic networks. J. Parallel Distrib. Comput. 74(1), 2016–2026 (2014)
Michail, O., Chatzigiannakis, I., Spirakis, P.: Computing in dynamic networks. In: Dehmer, M., Emmert-Streib, F., Pickl, S. (eds.) Chapter 6 in Computational Network Theory: Theoretical Foundations and Applications, 1st edn, pp. 173–218, Wiley-VCH Verlag GmbH & Co. KGaA (2015)
Michail, O., Spirakis, P.: Simple and efficient local codes for distributed stable network construction. In: Proceedings of 33rd ACM Symposium on Principles of Distributed Computing—PODC 2014, pp. 76–85 (2014)
Michail, O., Spirakis, P.G.: Traveling salesman problems in temporal graphs. In: Csuhaj-Varjú, E., Dietzfelbinger, M., Ésik, Z. (eds.) MFCS 2014, Part II. LNCS, vol. 8635, pp. 553–564. Springer, Heidelberg (2014)
Michail, O., Spirakis, P.: Terminating population protocols via some minimal global knowledge assumptions. J. Parallel Distrib. Comput. 81, 1–10 (2015)
Michail, O., Spirakis, P.: Distributed computation by connectivity preserving network transformers (2015) (to appear)
Moulin, H., Vial, J.P.: Strategically zero-sum games: the class of games whose completely mixed equilibria cannot be improved upon. Int. J. Game Theory 7(3–4), 201–221 (1978)
Nash, J.: Noncooperative games. Ann. Math. 54, 289–295 (1951)
Nikoletseas, S., Palem, K.V., Spirakis, P., Yung, M.: Short vertex disjoint paths and multiconnectivity in random graphs: reliable network computing. In: Proceedings of 21st International Colloquium on Automata, Languages and Programming—ICALP 1994, pp. 508–519 (1994)
Nikoletseas, S., Prasinos, G., Spirakis, P., Zaroliagis, C.: Attack propagation in networks. Theory Comput. Syst. 36, 553–574 (2003). Preliminary version in ACM SPAA 2001
Nikoletseas, S.E., Raptopoulos, C., Spirakis, P.G.: The existence and efficient construction of large independent sets in general random intersection graphs. In: Díaz, J., Karhumäki, J., Lepistö, A., Sannella, D. (eds.) ICALP 2004. LNCS, vol. 3142, pp. 1029–1040. Springer, Heidelberg (2004)
Panagopoulou, P., Spirakis, P.: Algorithms for pure Nash equilibria in weighted congestion games. ACM J. Exp. Algorithmics 11, 1–19 (2006)
Panagopoulou, P., Spirakis, P.: Random bimatrix games are asymptotically easy to solve (A simple proof). Theor. Comput. Sci. 54(3), 479–490 (2014)
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Reif, J., Spirakis, P.: Random matroids. In: Proceedings 12th ACM Symposium on Theory of Computing—STOC 1980, pp. 385–397 (1980)
Reif, J., Spirakis, P.: Distributed algorithms for synchronizing interprocess communication within real time. In: Proceedings of 13th ACM Symposium on Theory of Computing—STOC 1981, pp. 133–145 (1981)
Reif, J., Spirakis, P.: Real time synchronization of interprocess communications. ACM Trans. Programm. Lang. Syst. 6(2), 215–238 (1984)
Reif, J., Spirakis, P.: Unbounded speed variability in distributed systems. SIAM J. Comput. 14(1), 7592 (1985)
Reif, J., Spirakis, P.: Expected parallel time and sequential space complexity of graph and digraph problems. Algorithmica 7, 597–630 (1992)
Spirakis, P.: Optimal parallel randomized algorithms for addition sparse addition and identification. Inf. Comput. 76, 1–12 (1988)
Spirakis, P., Zaroliagis, C.: Distributed algorithm engineering. In: Fleischer, R., Moret, B.M.E., Schmidt, E.M. (eds.) Experimental Algorithmics. LNCS, vol. 2547, pp. 197–228. Springer, Heidelberg (2002)
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Acknowledgements
We are indebted to Eleni Spiraki (Paul’s sister) for her great help in the preparation of this article.
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Chatzigiannakis, I. et al. (2015). A Glimpse at Paul G. Spirakis. In: Zaroliagis, C., Pantziou, G., Kontogiannis, S. (eds) Algorithms, Probability, Networks, and Games. Lecture Notes in Computer Science(), vol 9295. Springer, Cham. https://doi.org/10.1007/978-3-319-24024-4_1
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