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Physical Sciences and Mathematics

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Theses/Dissertations

1967

Mathematics

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Threshold Order Of A Switching Function And Stochastic Dependence Of Inputs., T. Krishnan Dr. Dec 1967

Threshold Order Of A Switching Function And Stochastic Dependence Of Inputs., T. Krishnan Dr.

Doctoral Theses

This Ä‘insertation is being submitted to the Indian Statiatical Inatitute, in support of the author's application for the degree of Doctor of Philosophy. This diasertation enbodien the work carried out by the author at the Indian Statistieal Institute under the aupervision of frofensor C. R. Rso. le is grate ful to Professor Rao for his constant encouragenent and inspi- ration and for the facilities provided at the Institute.The main part of the results of Chapter 5 have already been ublished (20). Zhe resulte of Chapters 2 and 3 and of Chapter 4 &e being reviewed for publie cation. ReferRes of …


Probabilistic Aspects Of Rings Of Operators., A. R. Padmanabhan Dr. Jun 1967

Probabilistic Aspects Of Rings Of Operators., A. R. Padmanabhan Dr.

Doctoral Theses

This theeis is submittod to the Irdian Statistical Institute in suppert bf the' author'a annlication for the degrée of Doctor of Philncophy. The thes is cmbodtee the research carried ut by thie author under the u pervision of Dr. J/S thurarn at the ind ian Sttiotivel Inatitute, Calcutta.Thia theain consis ts of three chapters. The first chapter dcals wri th convergence in mearur in ringe (of operatore) and allied reaul ts, the nee7:d, is devoted to a study of stnbility und mixing ir rims, and the last chapter is concerned wi tn aom: dominated convergenc the orema in ringo.


Minimax Theorems And Product Solutions., T. Parthasarathy Dr. Apr 1967

Minimax Theorems And Product Solutions., T. Parthasarathy Dr.

Doctoral Theses

It was John von-leumann who laid the foundationa of a miathematical theory of games of strategy . The climax of the pioneering period of de velopment oame in 1944 with the publication of The Theory of Gamea And Economic Behaviour by John von-Neumann and Oscar Morgenstern. Tha field of game theory ja now well established and widely diffused through the mathematical world- thanke to the auccese of thẻ volumes entitled Contributione to the theory of games and Advances in game theory . These volumes conprise a collection of contributions to the theory of games and answer some questions raised explicitly …


Solutions Of Some Balanced Doubly Balanced And Partially Balanced Statistical Designs., Chilakamarri Ramanujacharyulu Dr. Mar 1967

Solutions Of Some Balanced Doubly Balanced And Partially Balanced Statistical Designs., Chilakamarri Ramanujacharyulu Dr.

Doctoral Theses

The theory and methods of con struction of statistical designs have connections with Modern algebraic systems, theory of numbers, arithmetic theory of quadratic forms, information theory and construction of codes. The properties of finite linear spaces have been used for the construction of (i) complete set of mutually orthogonal latin squares (Bose and Nair, 1941) (ii) balanced incomplete block designs (Bose 1939) (iii) partially balanced incomplete block designs (Bose and Nair 1939) (iv) designs where some effects of treatments are confounded (Bose, 1947). Primrose (1951) studied quadric surfaces and used them in the construction of balanced incomplete block designs. Roychoudhuri …


Extensions Of The Theory Of Positive Operators And Their Relationship To Minimax Games., T. E.S. Raghavan Dr. Mar 1967

Extensions Of The Theory Of Positive Operators And Their Relationship To Minimax Games., T. E.S. Raghavan Dr.

Doctoral Theses

The theory of positive matrices (matrioco with non- negative entries) nnd the the ory of positive operetors are used extensively in the study of vibrationa of mechanical eysteme l16], stochaatic proceuses (36] nd mathematical economics ((9] and L20].) It is well known from the claseical theoreme of Perron and Frobenius ((13), [14) and (25] that any non-eingul ar squere matrix with non-negative entries has a positive cigenvalue which ts maximal in modulus among al1 the eigenvalues of the matrix. Further for this positive eigenvalue, it has a non-null eigenvector with all components non-negative. If the matrix is also irroduc lble11) …


External Graph Theoretic Problems With Applications To Communication Networks., Ramachandra Muthy Dr. Feb 1967

External Graph Theoretic Problems With Applications To Communication Networks., Ramachandra Muthy Dr.

Doctoral Theses

Graphs havre now become recognized models for a wide variety of situations. Whenever we have a collection of è´¸bjects with a binary relation defined on them graphs serve as excellopt toola to study the combinatoria properties of the collection with respect to the binary relation. D. Konig was the firat person to recognize the usefulness of graph theoretic modols. He conceived of a unified study of grapha under an abstract set up. His book was a pioneering work in this field.The graph theoretic problems embodied in this thesis have been motivated, by situations arising in communicationhave been motivated, by situations …