Dr. Severino Gervacio is recognized for important of his significant contributions to the Graph Theory and Algebra which enhanced the image of the Philippines in the world community of mathematics.

Sex: Male

Education:

• Ateneo de Manila University, Quezon City, Ph.D. in Mathematics, 1977
• University of the Philippines-Diliman, Quezon City, M.S. in Mathematics, 1971
• Mapua Institute of Technology, Manila, BSME, 1965

Field of Specialization:

Mathematics, Graph Theory and Combinatories

Researches:

Rosalejos, G.A., Gervacio, S.V., (2002) On minimal rigidity of prisms
The Manila Journal of Science Volume 5, No. (1)

Gervacio, S., (2000) A study of integral graphs in the euclidean n-space
NRCP Annual Report 2000, Intensive Basic Research for Technological Developments and Innovations

Gervacio, S.V., (1998) Effects of subdivision and contraction of edges on the dimension of a graph
Transactions of the National Academy of Science and Technology Volume 20

Cagaanan, G.B., Canoy, S.R., Gervacio, S.V., (2003) A non-connectivity concept: How does it relate to convexity in graphs
Journal of Research in Science and Engineering Volume 1(1)

Gervacio, S. V. , (1989) Minimizing the maximum difference between integer labels of adjacent vertices in a graph
Transactions of the National Academy of Science and Technology

Papers Presented:

• On Nomography, Mathematics Seminar at University of the Philippines at Los Banos, Laguna
• On Vertex-minimal Kernelless Graphs, 1st International Summer Institute of Mathematics, Manila
• On BD-graphs, Nanyang University Mathematics Seminar, Singapore
• On (k, r) - BD-graphs , Nanyang University Mathematics Seminar, Singapore
• A Generalization of a Theorem of Lovaz, Nanyang University Mathematics Seminar, Singapore
• Pythagorean Numbers, Mathematics Seminar, University of the Philippines at Los Banos, Laguna
• Experimental Designs from Block Design Graphs , SEARCA Professorial Chair Lecture, UPLB
• Vector spaces of graphs, SEARCA Professorial Chair Lecture, UP, Diliman, Quezon City
• On Graphs: All of Whose Orientations have Kernels, 1st FRANCO-Southeast Asian Mathematics Conference, Singapore
• Prime magic graphs, Mathematics Seminar at UPLB, Los Banos, Laguna
• Full Graphs and Permutation Graphs, Nanyang University Mathematics Seminar, Singapore
• Difference Graphs, 2nd FRANCO-Southeast Asian Mathematics Conference, Manila
• Cycle Derivative and Cycle Antiderivative of Graphs, 1st Graph Theory Colloquium, Singapore
• On topological graphs, Annual Scientific Meeting of the National Academy of Science and Technology, Manila
• On Cycle Graphs, Annual Scientific Meeting of the National Academy of Science and Technology, Manila
• Characterization of N-cycle Block Design Graphs, Annual Scientific Meeting of the National Academy of Science and Technology, Manila
• Score Sequences: Lexicographic Enumeration and Tournament Construction, 1st Japan Conference in Graph Theory and Its Applications, Hakone, Japan
• Tournament Score Sequences, 1st China-USA Conference on Graph Theory, Jinan, China
• Generalization of chromatic number, Annual Scientific Meeting of the National Academy of Science and Technology, Manila
• Score Sequences: Computer algorithms for Lexicographic Enumeration and Tournament Construction, Mathematics Colloquium at the Ateneo de Manila University
• On the lexicographic order of the n-permutations, Annual Scientific Meeting of the National Academy of Science and Technology, Manila
• Lexicographic ordering of permutations and combinations, Annual Convention of the Mathematical Society of the Philippines, Manila
• Extension of congruence to the field of rational numbers, Annual Scientific Meeting of the National Academy of Science and Technology, Manila
• Minimizing the maximum difference between integer labels of adjacent vertices in a graph, 1989 Annual Scientific Meeting of the National Academy of Science and Technology, Manila
• Fibonacci numbers and binomial coefficients, Annual Convention of the Mathematical Society of the Philippines
• Which bipartite graphs are singular, Annual Scientific Meeting of the National Academy of Science and Technology, Manila
• Minimizing the maximum difference between integer labels of adjacent vertices in a graph , Graph Theory and Combinatorics Workshop, Sophia University, Japan
• On the number of chordless cycles in a graph, Second Japan Conference in Graph Theory and Combinatorics, Hakone, Japan
• Characterization of singular graphs in some special classes, Annual Scientific Meeting of the National Academy of Science and Technology, Manila
• On the density of the planar grid, Annual Convention of the Mathematical Society of the Philippines, U.P., Diliman, Quezon City
• On path-chromatically unique graphs, Graph Theory and Combinatorics Conference, Manila
• Trees with diameter less than 5 and non-singular complement, Graph Theory and Combinatorics Conference, Manila
• The density of the planar grid, Annual Convention of the Mathematical Society of the Philippines, De La Salle University, Manila
• Folding a graph, Seminar-Workshop and Organizational Meeting of MSP-Mindanao, MPSC, Cagayan de Oro City
• Some applications of graph theory, Seminar-Workshop and Organizational Meeting of MSP-Mindanao, MPSC, Cagayan de Oro City
• Singular graphs: The cartesian product of two graphs , Annual Scientific Meeting of the National Academy of Science and Technology
• Embedding a graph in a graceful or a harmonious graph, Meeting of NRCP Division of Mathematical Sciences
• Construction of tournaments from given score vectors, Research Symposium of the College of Science, De La Salle University
• Lower bounds for bandwidth: Sharpness and goodness, Annual Convention of the Mathematical Society of the Philippines
• Typesetting mathematics, 1st Organizational Meeting of the TEX Users Group, Philippines
• Unit embeddings of graphs in the Euclidean n-space, Asian Mathematical Conference Suranaree University, Thailand
• Equilateral graphs, Mathematics Seminar sponsored by the National Capital Region chapter of the Mathematical Society of the Philippines, Far Eastern University
• Effects of subdivision and contraction of edges on the dimension of a graph, Annual Scientific Meeting of the National Academy of Science and Technology, Philippine Westin Plaza
• Integral graphs, Annual Convention of the Mathematical Society of the Philippines
• The Span of Cycles, International Conference in Mathematics in Honor of Fr. Bienvenido F. Nebres, SJ, Angelo King International Center
• Obtaining Unit-distance Graphs in the Plane by Subdividing Edges, Scientific Session of the Annual Meeting of the National Research Council of the Philippines, Bahay ng Alumni, U.P.
• An Introduction to Graph Theory, Mathematics Seminar, University Brunei Darussalam
• The Dimension of the Joint of Two Cycles, International Conference in Graph Theory, University of Victoria, Canada
• A Family of Cusped Cubic Bezier Curves, DLSU-Osaka University Science Research Workshop
• Resistance Distance in Graphs, DLSU-Osaka University Science Research Workshop
• Generator Graphs, 4th International Conference on Combinatorial Mathematics and Combinatorial Computing, The University of Auckland, Auckland, New Zealand
• GraphTeX, A Drawing Package for TeX and LaTeX , 4th International Conference on Combinatorial Mathematics and Combinatorial Computing, The University of Auckland, Aukland, New Zealand

Awards:

• Outstanding Young Scientist (Mathematics), National Academy of Science and Technology (NAST)-DOST, 1981
• Outstanding Mapuan in Mathematics, National Association of Mapua Alumni, 1981
• 1992 Achievement Award, National Research Council of the Philippines, 1993
• St. Miguel Febres Cordero Research Award, De La Salle University, 2000