Mandayam Jeersannidhi Narasimhan
Mandayam Jeersannidhi Narasimhan, Indian mycologist and plant pathologist (Madras 1891 – 24 September 1970) First introduced fungicidal control measures for Koleroga disease of areca palm (1910s) Established that debris of diseased nuts on the ground had oospores (1970) First to show the mycotoxin due to Heterosporium in cereals Postulated the concept of epicentre for the heteroecious rusts (1969) Showed fungi Entomophthora lecani could be used for the biological control of insects on a massive scale With M.J. Thirumalachar & M.C. Srinivasan established the morphological basis for differentiating Entomophthora from Conidiobolus DESCRIBED VALID FUNGI GENERA Derexia 1970 Georgefischeria 1963 with Thirumalachar Sclerophthora 1953 with Thirumalachar & Shaw HONORS (Fungi) Narasimhania Thirumalachar & Pavgi 1952 Narasimhella Thirumalachar & Mathur 1966 LINKS http://www.landesmuseum.at/pdf_frei_remote/Sydowia_24_0017-0020.pdf
Madhavan Parameswaran Nayar
Madhavan Parameswaran Nayar, Indian botanist (Nagercoil, Travancore State 27 January 1932 – Thiruvananthapuram, Kerala State 09 December 2016) Authored about 250 scientific papers and 25 books DESCRIBED PLANTAE TAXA Valid Genera (Melastomataceae) Neodriessenia 1977 Pseudodissochaeta 1969 Tayloriophyton 1968 Species and others 77 species, 20 varieties and one subspecies HONORS Nayariophyton Paul 1988 (Malvaceae)
Luis Alejandro Novelo
Luis Alejandro Novelo Retana, Mexican botanist (Ciudad de Mexico 24 February 1951 – Ciudad de Mexico 18 June 2006) Expert on aquatic vascular plants DESCRIBED PLANTAE TAXA Genera Cipoia 2004 with Philbrick & Irgang Diamantina 2004 with Philbrick & Irgang Vanroyenella 1993 with Philbrick Species Ceratolacis pedunculatum 2004 with Philbrick & Irgang Cipoia inserta 2004 with Philbrick & Irgang Diamantina lombardii 2004 with Philbrick & Irgang Marathrum rubrum 1993 with Philbrick Noveloa longifolia 1995 with Philbrick Podostemum irgangii 2001 with Philbrick Podostemum ovatum 2004 with Philbrick Vanroyenella plumosa 1993 with Philbrick HONORS Noveloa Philbrick 2001 (Podostemaceae) LINKS Luis Alejandro Novelo Retana (1951-2006) (scielo.org.mx) (spanish)
Leopoldo Nachbin
Leopoldo Nachbin, Jewish Brazilian mathematician (Recife 07 January 1922 – Rio de Janeiro 03 April 1993) Son of Polish father and Austrian mother ACHIEVEMENTS Published 110 papers Performed pioneer works about holomorphy in infinite dimension Realized the first systematic study of topological vector spaces (1948) Presented required and sufficient conditions in order to a continuous functions space to be bornological Defined certain weighted spaces and compact element in a lattice Initiated the study of topological ordered spaces Demonstrated that a distributive lattice displaying elements 0 and 1 where all prime filter is maximal is a Boolean algebra (1947) Extended Stone-Weierstrass theorem to differentiable functions With J.B. Prolla & S. Machado proved that the polynomials of finite type from a real locally convex space into another are dense in the space of all continuous function with the compact open topology Established conditions for a continuous functions subspace of compact basis be located under a subalgebra of continuous functions algebra Nachbin theorem An extension of the notion of integral functions of the finite exponential type. Anais Acad. Bras. Ciencias 16:143-7, 1944. Obtained the concept of semi-uniform structures. Sur les espaces topologiques ordonnés. C.R. Acad. Sci. Paris 226:381-2, 1948. Introduced concept of compactness On a characterization of the lattice of all ideals in a Bollean ring. Fund. Mathematicae 36:137-142, 1949. Proved that every non-discrete valuable topological division ring is strictly minimal On strictly minimal topological division rings. Bull. Amer. Math. Soc. 55:1128-36, 1949. Nachbin-Goodner-Kelley theorem A theorem of the Hahn-Banach type for linear transformations. Trans. Amer.Math. Soc. 68:28-46, 1950. Hewitt-Nachbin spaces On the continuity of positive linear transformations. Proc. Intern. Congress of Math. Cambridge, Mass. 1950. Vol I, Amer. Math. Soc, Providence, R.I., 464-5, 1952. Nachbin-Shirota theorem Topological Vector Spaces of Continuous Functions. Proceed. National Acad. Sciences 40:471-2, 1954. Formulated a conjecture about Weierstrass approximation theorem Formulação geral do teorema de aproximação de Weierstrass para funções diferenciáveis, Tópicos de topologia, Expos. De Mat 3, Univ. Ceará, Fortaleza, Ceará, 1961. Bernstein-Nachbin approximation Weighted approximation over topological spaces and the Bernstein problem over finite dimensional vector spaces. Topology 3, Suppl. 1:125-30, 1964. Introduced topology Tau omega On the topology of the space of all holomorphic functions on a given open subset, Indag. Math. 29:366-8, 1967. Introduced Topology Tau epsilon Sur les espaces vetorels topologiques d’applications continues. C.R. Acad. Sci. Paris 271:596-8, 1970. Authored the thesis Topologia e Ordem (in English Topology and Order) in 1950, later translated to English and edited by Van Nostrand from Princeton in 1965. This book displayed new concepts such as a completely regularly ordered space and first to explicity define the notion of a pospace Authored The Haar Integral (1965), worldwide used in mathematical courses INTRODUCED Notion of fundamental weight Concept of quase-uniform space Ideal completion of a sup-semilattice Notion of holomorphy type Holomorphic Mackey spaces ((with J.A. Barroso & M.C. Matos) Concept of uniform holomorphy Concept of weighted spaces of continuous real-valued functions Concept of locally weighted convex spaces of continuous scalar functions on a topological space Concept of localizability in weighted approximation problem HONORS Houssay Prize from OAS (1982) George Eastman Professor of Mathematics, University of Rochester (1967) created for him First Brazilian Mathematician invited to give conference at International Congress of Mathematicians in Stockholm (1962) EPONYMY Nachbin uniform structure Nachbin lemma Nachbin family Nachbin topology Nachbin compactification Nachbin property Urysohn-Nachbin extension and separation theorems Nachbin cones Nachbin ported topologies Nachbin m-algebras Nachbin polynomial LINKS WWW.mu.sbm.org.br/Conteudo/n16/n16_Artigo02.pdf (in Portuguese)
Kshitindramohan Naha
Kshitindramohan Naha, Indian geologist (Comilla, Bengal 02 January 1932 – Kolkata, West Bengal 24 May 1996) Estimated kinematic significance of deformation lamellae in quartz (1959) Worked out methods of elucidating the large scale structure of migmatites Developed methods of recognizing angular run conformity in metamorphic terraces and coaxial refolding prior to non-coaxial deformation
Keshavan Raghavan Nair
Keshavan Raghavan Nair, Indian statistician (Paravur, Kerala State 13 May 1910 – Bangalore 20 November 1993) Introduced the concept of partially balanced incomplete block designs Established the Laguerre-Samuelson inequality in J. Ind. Soc. Agr. Stat. (1948) On a method of getting confounded arrangements in the general symmetrical type of experiment. Sankhya 4:121-38, 1938 On a simple method of curve fitting. Sankhya 6:121, 1942 Eponym of Nair-Thomson inequality (1948)